688191556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{5279}}^1$

素因数の和:5428

約数の個数: 48

約数和(自身を含む): 1366041600

約数和(自身を除く): 677850044

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 109, 218, 299, 436, 598, 1196, 1417, 2507, 2834, 5014, 5279, 5668, 10028, 10558, 21116, 32591, 65182, 68627, 121417, 130364, 137254, 242834, 274508, 485668, 575411, 1150822, 1578421, 2301644, 3156842, 6313684, 7480343, 13234453, 14960686, 26468906, 29921372, 52937812, 172047889, 344095778, 688191556]

約数ペア:

[(1, 688191556), (2, 344095778), (4, 172047889), (13, 52937812), (23, 29921372), (26, 26468906), (46, 14960686), (52, 13234453), (92, 7480343), (109, 6313684), (218, 3156842), (299, 2301644), (436, 1578421), (598, 1150822), (1196, 575411), (1417, 485668), (2507, 274508), (2834, 242834), (5014, 137254), (5279, 130364), (5668, 121417), (10028, 68627), (10558, 65182), (21116, 32591)]