399124258

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 674031456

約数和(自身を除く): 274907198

約数列:

[1, 2, 13, 26, 41, 82, 83, 166, 169, 338, 347, 533, 694, 1066, 1079, 2158, 3403, 4511, 6806, 6929, 9022, 13858, 14027, 14227, 28054, 28454, 28801, 44239, 57602, 58643, 88478, 117286, 184951, 369902, 374413, 575107, 748826, 1150214, 1180841, 2361682, 2404363, 4808726, 4867369, 9734738, 15350933, 30701866, 199562129, 399124258]

約数ペア:

[(1, 399124258), (2, 199562129), (13, 30701866), (26, 15350933), (41, 9734738), (82, 4867369), (83, 4808726), (166, 2404363), (169, 2361682), (338, 1180841), (347, 1150214), (533, 748826), (694, 575107), (1066, 374413), (1079, 369902), (2158, 184951), (3403, 117286), (4511, 88478), (6806, 58643), (6929, 57602), (9022, 44239), (13858, 28801), (14027, 28454), (14227, 28054)]