621497968

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 180

約数和(自身を含む): 1610047992

約数和(自身を除く): 988550024

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 49, 52, 56, 68, 91, 98, 104, 112, 119, 136, 182, 196, 208, 211, 221, 238, 272, 289, 364, 392, 422, 442, 476, 578, 637, 728, 784, 833, 844, 884, 952, 1156, 1274, 1456, 1477, 1547, 1666, 1688, 1768, 1904, 2023, 2312, 2548, 2743, 2954, 3094, 3332, 3376, 3536, 3587, 3757, 4046, 4624, 5096, 5486, 5908, 6188, 6664, 7174, 7514, 8092, 10192, 10339, 10829, 10972, 11816, 12376, 13328, 14161, 14348, 15028, 16184, 19201, 20678, 21658, 21944, 23632, 24752, 25109, 26299, 28322, 28696, 30056, 32368, 38402, 41356, 43316, 43888, 46631, 50218, 52598, 56644, 57392, 60112, 60979, 76804, 82712, 86632, 93262, 100436, 105196, 113288, 121958, 134407, 153608, 165424, 173264, 175763, 184093, 186524, 200872, 210392, 226576, 243916, 268814, 307216, 326417, 351526, 368186, 373048, 401744, 420784, 426853, 487832, 537628, 652834, 703052, 736372, 746096, 792727, 853706, 975664, 1075256, 1305668, 1406104, 1472744, 1585454, 1707412, 2150512, 2284919, 2611336, 2812208, 2945488, 2987971, 3170908, 3414824, 4569838, 5222672, 5549089, 5975942, 6341816, 6829648, 9139676, 11098178, 11951884, 12683632, 18279352, 22196356, 23903768, 36558704, 38843623, 44392712, 47807536, 77687246, 88785424, 155374492, 310748984, 621497968]

約数ペア:

[(1, 621497968), (2, 310748984), (4, 155374492), (7, 88785424), (8, 77687246), (13, 47807536), (14, 44392712), (16, 38843623), (17, 36558704), (26, 23903768), (28, 22196356), (34, 18279352), (49, 12683632), (52, 11951884), (56, 11098178), (68, 9139676), (91, 6829648), (98, 6341816), (104, 5975942), (112, 5549089), (119, 5222672), (136, 4569838), (182, 3414824), (196, 3170908), (208, 2987971), (211, 2945488), (221, 2812208), (238, 2611336), (272, 2284919), (289, 2150512), (364, 1707412), (392, 1585454), (422, 1472744), (442, 1406104), (476, 1305668), (578, 1075256), (637, 975664), (728, 853706), (784, 792727), (833, 746096), (844, 736372), (884, 703052), (952, 652834), (1156, 537628), (1274, 487832), (1456, 426853), (1477, 420784), (1547, 401744), (1666, 373048), (1688, 368186), (1768, 351526), (1904, 326417), (2023, 307216), (2312, 268814), (2548, 243916), (2743, 226576), (2954, 210392), (3094, 200872), (3332, 186524), (3376, 184093), (3536, 175763), (3587, 173264), (3757, 165424), (4046, 153608), (4624, 134407), (5096, 121958), (5486, 113288), (5908, 105196), (6188, 100436), (6664, 93262), (7174, 86632), (7514, 82712), (8092, 76804), (10192, 60979), (10339, 60112), (10829, 57392), (10972, 56644), (11816, 52598), (12376, 50218), (13328, 46631), (14161, 43888), (14348, 43316), (15028, 41356), (16184, 38402), (19201, 32368), (20678, 30056), (21658, 28696), (21944, 28322), (23632, 26299), (24752, 25109)]