1406665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:121

約数の個数: 32

約数和(自身を含む): 2056320

約数和(自身を除く): 649655

約数列:

[1, 5, 13, 17, 19, 65, 67, 85, 95, 221, 247, 323, 335, 871, 1105, 1139, 1235, 1273, 1615, 4199, 4355, 5695, 6365, 14807, 16549, 20995, 21641, 74035, 82745, 108205, 281333, 1406665]

約数ペア:

[(1, 1406665), (5, 281333), (13, 108205), (17, 82745), (19, 74035), (65, 21641), (67, 20995), (85, 16549), (95, 14807), (221, 6365), (247, 5695), (323, 4355), (335, 4199), (871, 1615), (1105, 1273), (1139, 1235)]