405929345

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 514805760

約数和(自身を除く): 108876415

約数列:

[1, 5, 31, 83, 139, 155, 227, 415, 695, 1135, 2573, 4309, 7037, 11537, 12865, 18841, 21545, 31553, 35185, 57685, 94205, 157765, 357647, 584071, 978143, 1788235, 2618899, 2920355, 4890715, 13094495, 81185869, 405929345]

約数ペア:

[(1, 405929345), (5, 81185869), (31, 13094495), (83, 4890715), (139, 2920355), (155, 2618899), (227, 1788235), (415, 978143), (695, 584071), (1135, 357647), (2573, 157765), (4309, 94205), (7037, 57685), (11537, 35185), (12865, 31553), (18841, 21545)]