128416211

素因数分解:

$7^2\times {\mathrm{11}}^4\times {\mathrm{179}}^1$

素因数の和:237

約数の個数: 30

約数和(自身を含む): 165237300

約数和(自身を除く): 36821089

約数列:

[1, 7, 11, 49, 77, 121, 179, 539, 847, 1253, 1331, 1969, 5929, 8771, 9317, 13783, 14641, 21659, 65219, 96481, 102487, 151613, 238249, 717409, 1061291, 1667743, 2620739, 11674201, 18345173, 128416211]

約数ペア:

[(1, 128416211), (7, 18345173), (11, 11674201), (49, 2620739), (77, 1667743), (121, 1061291), (179, 717409), (539, 238249), (847, 151613), (1253, 102487), (1331, 96481), (1969, 65219), (5929, 21659), (8771, 14641), (9317, 13783)]