71620456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 149878080

約数和(自身を除く): 78257624

約数列:

[1, 2, 4, 8, 17, 34, 37, 43, 68, 74, 86, 136, 148, 172, 296, 331, 344, 629, 662, 731, 1258, 1324, 1462, 1591, 2516, 2648, 2924, 3182, 5032, 5627, 5848, 6364, 11254, 12247, 12728, 14233, 22508, 24494, 27047, 28466, 45016, 48988, 54094, 56932, 97976, 108188, 113864, 208199, 216376, 241961, 416398, 483922, 526621, 832796, 967844, 1053242, 1665592, 1935688, 2106484, 4212968, 8952557, 17905114, 35810228, 71620456]

約数ペア:

[(1, 71620456), (2, 35810228), (4, 17905114), (8, 8952557), (17, 4212968), (34, 2106484), (37, 1935688), (43, 1665592), (68, 1053242), (74, 967844), (86, 832796), (136, 526621), (148, 483922), (172, 416398), (296, 241961), (331, 216376), (344, 208199), (629, 113864), (662, 108188), (731, 97976), (1258, 56932), (1324, 54094), (1462, 48988), (1591, 45016), (2516, 28466), (2648, 27047), (2924, 24494), (3182, 22508), (5032, 14233), (5627, 12728), (5848, 12247), (6364, 11254)]