255223404

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{2087}}^1$

素因数の和:2219

約数の個数: 72

約数和(自身を含む): 668828160

約数和(自身を除く): 413604756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 79, 86, 129, 158, 172, 237, 258, 316, 387, 474, 516, 711, 774, 948, 1422, 1548, 2087, 2844, 3397, 4174, 6261, 6794, 8348, 10191, 12522, 13588, 18783, 20382, 25044, 30573, 37566, 40764, 61146, 75132, 89741, 122292, 164873, 179482, 269223, 329746, 358964, 494619, 538446, 659492, 807669, 989238, 1076892, 1483857, 1615338, 1978476, 2967714, 3230676, 5935428, 7089539, 14179078, 21268617, 28358156, 42537234, 63805851, 85074468, 127611702, 255223404]

約数ペア:

[(1, 255223404), (2, 127611702), (3, 85074468), (4, 63805851), (6, 42537234), (9, 28358156), (12, 21268617), (18, 14179078), (36, 7089539), (43, 5935428), (79, 3230676), (86, 2967714), (129, 1978476), (158, 1615338), (172, 1483857), (237, 1076892), (258, 989238), (316, 807669), (387, 659492), (474, 538446), (516, 494619), (711, 358964), (774, 329746), (948, 269223), (1422, 179482), (1548, 164873), (2087, 122292), (2844, 89741), (3397, 75132), (4174, 61146), (6261, 40764), (6794, 37566), (8348, 30573), (10191, 25044), (12522, 20382), (13588, 18783)]