142778735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{42557}}^1$

素因数の和:42634

約数の個数: 16

約数和(自身を含む): 189978912

約数和(自身を除く): 47200177

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 42557, 212785, 468127, 2340635, 2595977, 12979885, 28555747, 142778735]

約数ペア:

[(1, 142778735), (5, 28555747), (11, 12979885), (55, 2595977), (61, 2340635), (305, 468127), (671, 212785), (3355, 42557)]