641913064

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{5419}}^1$

素因数の和:5522

約数の個数: 64

約数和(自身を含む): 1393156800

約数和(自身を除く): 751243736

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 67, 68, 104, 134, 136, 221, 268, 442, 536, 871, 884, 1139, 1742, 1768, 2278, 3484, 4556, 5419, 6968, 9112, 10838, 14807, 21676, 29614, 43352, 59228, 70447, 92123, 118456, 140894, 184246, 281788, 363073, 368492, 563576, 726146, 736984, 1197599, 1452292, 2395198, 2904584, 4719949, 4790396, 6172241, 9439898, 9580792, 12344482, 18879796, 24688964, 37759592, 49377928, 80239133, 160478266, 320956532, 641913064]

約数ペア:

[(1, 641913064), (2, 320956532), (4, 160478266), (8, 80239133), (13, 49377928), (17, 37759592), (26, 24688964), (34, 18879796), (52, 12344482), (67, 9580792), (68, 9439898), (104, 6172241), (134, 4790396), (136, 4719949), (221, 2904584), (268, 2395198), (442, 1452292), (536, 1197599), (871, 736984), (884, 726146), (1139, 563576), (1742, 368492), (1768, 363073), (2278, 281788), (3484, 184246), (4556, 140894), (5419, 118456), (6968, 92123), (9112, 70447), (10838, 59228), (14807, 43352), (21676, 29614)]