399912401

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 485968896

約数和(自身を除く): 86056495

約数列:

[1, 7, 41, 53, 61, 287, 371, 427, 431, 2173, 2501, 3017, 3233, 15211, 17507, 17671, 22631, 22843, 26291, 123697, 132553, 159901, 184037, 927871, 936563, 1077931, 1393423, 6555941, 7545517, 9753961, 57130343, 399912401]

約数ペア:

[(1, 399912401), (7, 57130343), (41, 9753961), (53, 7545517), (61, 6555941), (287, 1393423), (371, 1077931), (427, 936563), (431, 927871), (2173, 184037), (2501, 159901), (3017, 132553), (3233, 123697), (15211, 26291), (17507, 22843), (17671, 22631)]