640417466

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{569}}^1\times {\mathrm{593}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 1052306640

約数和(自身を除く): 411889174

約数列:

[1, 2, 13, 26, 73, 146, 569, 593, 949, 1138, 1186, 1898, 7397, 7709, 14794, 15418, 41537, 43289, 83074, 86578, 337417, 539981, 562757, 674834, 1079962, 1125514, 4386421, 8772842, 24631441, 49262882, 320208733, 640417466]

約数ペア:

[(1, 640417466), (2, 320208733), (13, 49262882), (26, 24631441), (73, 8772842), (146, 4386421), (569, 1125514), (593, 1079962), (949, 674834), (1138, 562757), (1186, 539981), (1898, 337417), (7397, 86578), (7709, 83074), (14794, 43289), (15418, 41537)]