649261015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{2621}}^1$

素因数の和:2779

約数の個数: 32

約数和(自身を含む): 870420096

約数和(自身を除く): 221159081

約数列:

[1, 5, 13, 37, 65, 103, 185, 481, 515, 1339, 2405, 2621, 3811, 6695, 13105, 19055, 34073, 49543, 96977, 170365, 247715, 269963, 484885, 1260701, 1349815, 3509519, 6303505, 9988631, 17547595, 49943155, 129852203, 649261015]

約数ペア:

[(1, 649261015), (5, 129852203), (13, 49943155), (37, 17547595), (65, 9988631), (103, 6303505), (185, 3509519), (481, 1349815), (515, 1260701), (1339, 484885), (2405, 269963), (2621, 247715), (3811, 170365), (6695, 96977), (13105, 49543), (19055, 34073)]