66643768.000000000

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:333

約数の個数: 120

約数和(自身を含む): 693498024

約数和(自身を除く): 406826072

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 137, 157, 196, 238, 272, 274, 314, 392, 476, 548, 628, 784, 833, 952, 959, 1096, 1099, 1256, 1666, 1904, 1918, 2192, 2198, 2329, 2512, 2669, 3332, 3836, 4396, 4658, 5338, 6664, 6713, 7672, 7693, 8792, 9316, 10676, 13328, 13426, 15344, 15386, 16303, 17584, 18632, 18683, 21352, 21509, 26852, 30772, 32606, 37264, 37366, 42704, 43018, 53704, 61544, 65212, 74732, 86036, 107408, 114121, 123088, 130424, 130781, 149464, 150563, 172072, 228242, 260848, 261562, 298928, 301126, 344144, 365653, 456484, 523124, 602252, 731306, 912968, 1046248, 1053941, 1204504, 1462612, 1825936, 2092496, 2107882, 2409008, 2559571, 2925224, 4215764, 5119142, 5850448, 8431528, 10238284, 16863056, 17916997, 20476568, 35833994, 40953136, 71667988, 143335976, 286671952]

約数ペア:

[(1, 286671952), (2, 143335976), (4, 71667988), (7, 40953136), (8, 35833994), (14, 20476568), (16, 17916997), (17, 16863056), (28, 10238284), (34, 8431528), (49, 5850448), (56, 5119142), (68, 4215764), (98, 2925224), (112, 2559571), (119, 2409008), (136, 2107882), (137, 2092496), (157, 1825936), (196, 1462612), (238, 1204504), (272, 1053941), (274, 1046248), (314, 912968), (392, 731306), (476, 602252), (548, 523124), (628, 456484), (784, 365653), (833, 344144), (952, 301126), (959, 298928), (1096, 261562), (1099, 260848), (1256, 228242), (1666, 172072), (1904, 150563), (1918, 149464), (2192, 130781), (2198, 130424), (2329, 123088), (2512, 114121), (2669, 107408), (3332, 86036), (3836, 74732), (4396, 65212), (4658, 61544), (5338, 53704), (6664, 43018), (6713, 42704), (7672, 37366), (7693, 37264), (8792, 32606), (9316, 30772), (10676, 26852), (13328, 21509), (13426, 21352), (15344, 18683), (15386, 18632), (16303, 17584)]