78125455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{4049}}^1$

素因数の和:4298

約数の個数: 16

約数和(自身を含む): 99727200

約数和(自身を除く): 21601745

約数列:

[1, 5, 17, 85, 227, 1135, 3859, 4049, 19295, 20245, 68833, 344165, 919123, 4595615, 15625091, 78125455]

約数ペア:

[(1, 78125455), (5, 15625091), (17, 4595615), (85, 919123), (227, 344165), (1135, 68833), (3859, 20245), (4049, 19295)]