81487848

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{5557}}^1$

素因数の和:5626

約数の個数: 64

約数和(自身を含む): 224098560

約数和(自身を除く): 142610712

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 47, 52, 78, 94, 104, 141, 156, 188, 282, 312, 376, 564, 611, 1128, 1222, 1833, 2444, 3666, 4888, 5557, 7332, 11114, 14664, 16671, 22228, 33342, 44456, 66684, 72241, 133368, 144482, 216723, 261179, 288964, 433446, 522358, 577928, 783537, 866892, 1044716, 1567074, 1733784, 2089432, 3134148, 3395327, 6268296, 6790654, 10185981, 13581308, 20371962, 27162616, 40743924, 81487848]

約数ペア:

[(1, 81487848), (2, 40743924), (3, 27162616), (4, 20371962), (6, 13581308), (8, 10185981), (12, 6790654), (13, 6268296), (24, 3395327), (26, 3134148), (39, 2089432), (47, 1733784), (52, 1567074), (78, 1044716), (94, 866892), (104, 783537), (141, 577928), (156, 522358), (188, 433446), (282, 288964), (312, 261179), (376, 216723), (564, 144482), (611, 133368), (1128, 72241), (1222, 66684), (1833, 44456), (2444, 33342), (3666, 22228), (4888, 16671), (5557, 14664), (7332, 11114)]