207997915

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1\times {\mathrm{1901}}^1$

素因数の和:2262

約数の個数: 16

約数和(自身を含む): 253802880

約数和(自身を除く): 45804965

約数列:

[1, 5, 79, 277, 395, 1385, 1901, 9505, 21883, 109415, 150179, 526577, 750895, 2632885, 41599583, 207997915]

約数ペア:

[(1, 207997915), (5, 41599583), (79, 2632885), (277, 750895), (395, 526577), (1385, 150179), (1901, 109415), (9505, 21883)]