278616145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{7823}}^1$

素因数の和:8264

約数の個数: 16

約数和(自身を含む): 354896640

約数和(自身を除く): 76280495

約数列:

[1, 5, 17, 85, 419, 2095, 7123, 7823, 35615, 39115, 132991, 664955, 3277837, 16389185, 55723229, 278616145]

約数ペア:

[(1, 278616145), (5, 55723229), (17, 16389185), (85, 3277837), (419, 664955), (2095, 132991), (7123, 39115), (7823, 35615)]