78018385

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 100219680

約数和(自身を除く): 22201295

約数列:

[1, 5, 37, 53, 73, 109, 185, 265, 365, 545, 1961, 2701, 3869, 4033, 5777, 7957, 9805, 13505, 19345, 20165, 28885, 39785, 143153, 213749, 294409, 421721, 715765, 1068745, 1472045, 2108605, 15603677, 78018385]

約数ペア:

[(1, 78018385), (5, 15603677), (37, 2108605), (53, 1472045), (73, 1068745), (109, 715765), (185, 421721), (265, 294409), (365, 213749), (545, 143153), (1961, 39785), (2701, 28885), (3869, 20165), (4033, 19345), (5777, 13505), (7957, 9805)]