16121245

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2269}}^1$

素因数の和:2317

約数の個数: 24

約数和(自身を含む): 23290200

約数和(自身を除く): 7168955

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 2269, 7105, 11345, 15883, 65801, 79415, 111181, 329005, 460607, 555905, 2303035, 3224249, 16121245]

約数ペア:

[(1, 16121245), (5, 3224249), (7, 2303035), (29, 555905), (35, 460607), (49, 329005), (145, 111181), (203, 79415), (245, 65801), (1015, 15883), (1421, 11345), (2269, 7105)]