28065888

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:281

約数の個数: 144

約数和(自身を含む): 88058880

約数和(自身を除く): 59992992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 32, 36, 38, 46, 48, 57, 69, 72, 76, 92, 96, 114, 138, 144, 152, 171, 184, 207, 223, 228, 276, 288, 304, 342, 368, 414, 437, 446, 456, 552, 608, 669, 684, 736, 828, 874, 892, 912, 1104, 1311, 1338, 1368, 1656, 1748, 1784, 1824, 2007, 2208, 2622, 2676, 2736, 3312, 3496, 3568, 3933, 4014, 4237, 5129, 5244, 5352, 5472, 6624, 6992, 7136, 7866, 8028, 8474, 10258, 10488, 10704, 12711, 13984, 15387, 15732, 16056, 16948, 20516, 20976, 21408, 25422, 30774, 31464, 32112, 33896, 38133, 41032, 41952, 46161, 50844, 61548, 62928, 64224, 67792, 76266, 82064, 92322, 97451, 101688, 123096, 125856, 135584, 152532, 164128, 184644, 194902, 203376, 246192, 292353, 305064, 369288, 389804, 406752, 492384, 584706, 610128, 738576, 779608, 877059, 1169412, 1220256, 1477152, 1559216, 1754118, 2338824, 3118432, 3508236, 4677648, 7016472, 9355296, 14032944, 28065888]

約数ペア:

[(1, 28065888), (2, 14032944), (3, 9355296), (4, 7016472), (6, 4677648), (8, 3508236), (9, 3118432), (12, 2338824), (16, 1754118), (18, 1559216), (19, 1477152), (23, 1220256), (24, 1169412), (32, 877059), (36, 779608), (38, 738576), (46, 610128), (48, 584706), (57, 492384), (69, 406752), (72, 389804), (76, 369288), (92, 305064), (96, 292353), (114, 246192), (138, 203376), (144, 194902), (152, 184644), (171, 164128), (184, 152532), (207, 135584), (223, 125856), (228, 123096), (276, 101688), (288, 97451), (304, 92322), (342, 82064), (368, 76266), (414, 67792), (437, 64224), (446, 62928), (456, 61548), (552, 50844), (608, 46161), (669, 41952), (684, 41032), (736, 38133), (828, 33896), (874, 32112), (892, 31464), (912, 30774), (1104, 25422), (1311, 21408), (1338, 20976), (1368, 20516), (1656, 16948), (1748, 16056), (1784, 15732), (1824, 15387), (2007, 13984), (2208, 12711), (2622, 10704), (2676, 10488), (2736, 10258), (3312, 8474), (3496, 8028), (3568, 7866), (3933, 7136), (4014, 6992), (4237, 6624), (5129, 5472), (5244, 5352)]