42885775

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 55469664

約数和(自身を除く): 12583889

約数列:

[1, 5, 25, 37, 71, 185, 355, 653, 925, 1775, 2627, 3265, 13135, 16325, 24161, 46363, 65675, 120805, 231815, 604025, 1159075, 1715431, 8577155, 42885775]

約数ペア:

[(1, 42885775), (5, 8577155), (25, 1715431), (37, 1159075), (71, 604025), (185, 231815), (355, 120805), (653, 65675), (925, 46363), (1775, 24161), (2627, 16325), (3265, 13135)]