28225925

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 45413760

約数和(自身を除く): 17187835

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 133, 175, 247, 325, 455, 475, 653, 665, 1235, 1729, 2275, 3265, 3325, 4571, 6175, 8489, 8645, 12407, 16325, 22855, 42445, 43225, 59423, 62035, 86849, 114275, 161291, 212225, 297115, 310175, 434245, 806455, 1129037, 1485575, 2171225, 4032275, 5645185, 28225925]

約数ペア:

[(1, 28225925), (5, 5645185), (7, 4032275), (13, 2171225), (19, 1485575), (25, 1129037), (35, 806455), (65, 434245), (91, 310175), (95, 297115), (133, 212225), (175, 161291), (247, 114275), (325, 86849), (455, 62035), (475, 59423), (653, 43225), (665, 42445), (1235, 22855), (1729, 16325), (2275, 12407), (3265, 8645), (3325, 8489), (4571, 6175)]