90239284

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 173638080

約数和(自身を除く): 83398796

約数列:

[1, 2, 4, 19, 38, 43, 53, 76, 86, 106, 172, 212, 521, 817, 1007, 1042, 1634, 2014, 2084, 2279, 3268, 4028, 4558, 9116, 9899, 19798, 22403, 27613, 39596, 43301, 44806, 55226, 86602, 89612, 110452, 173204, 425657, 524647, 851314, 1049294, 1187359, 1702628, 2098588, 2374718, 4749436, 22559821, 45119642, 90239284]

約数ペア:

[(1, 90239284), (2, 45119642), (4, 22559821), (19, 4749436), (38, 2374718), (43, 2098588), (53, 1702628), (76, 1187359), (86, 1049294), (106, 851314), (172, 524647), (212, 425657), (521, 173204), (817, 110452), (1007, 89612), (1042, 86602), (1634, 55226), (2014, 44806), (2084, 43301), (2279, 39596), (3268, 27613), (4028, 22403), (4558, 19798), (9116, 9899)]