319071025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1009}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 490940800

約数和(自身を除く): 171869775

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 139, 175, 325, 455, 695, 973, 1009, 1807, 2275, 3475, 4865, 5045, 7063, 9035, 12649, 13117, 24325, 25225, 35315, 45175, 63245, 65585, 91819, 140251, 176575, 316225, 327925, 459095, 701255, 981757, 1823263, 2295475, 3506275, 4908785, 9116315, 12762841, 24543925, 45581575, 63814205, 319071025]

約数ペア:

[(1, 319071025), (5, 63814205), (7, 45581575), (13, 24543925), (25, 12762841), (35, 9116315), (65, 4908785), (91, 3506275), (139, 2295475), (175, 1823263), (325, 981757), (455, 701255), (695, 459095), (973, 327925), (1009, 316225), (1807, 176575), (2275, 140251), (3475, 91819), (4865, 65585), (5045, 63245), (7063, 45175), (9035, 35315), (12649, 25225), (13117, 24325)]