71646068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 138756240

約数和(自身を除く): 67110172

約数列:

[1, 2, 4, 13, 26, 52, 89, 113, 137, 178, 226, 274, 356, 452, 548, 1157, 1469, 1781, 2314, 2938, 3562, 4628, 5876, 7124, 10057, 12193, 15481, 20114, 24386, 30962, 40228, 48772, 61924, 130741, 158509, 201253, 261482, 317018, 402506, 522964, 634036, 805012, 1377809, 2755618, 5511236, 17911517, 35823034, 71646068]

約数ペア:

[(1, 71646068), (2, 35823034), (4, 17911517), (13, 5511236), (26, 2755618), (52, 1377809), (89, 805012), (113, 634036), (137, 522964), (178, 402506), (226, 317018), (274, 261482), (356, 201253), (452, 158509), (548, 130741), (1157, 61924), (1469, 48772), (1781, 40228), (2314, 30962), (2938, 24386), (3562, 20114), (4628, 15481), (5876, 12193), (7124, 10057)]