251920909

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 282494520

約数和(自身を除く): 30573611

約数列:

[1, 17, 23, 109, 257, 391, 529, 1853, 2507, 4369, 5911, 8993, 28013, 42619, 57661, 100487, 135953, 476221, 644299, 980237, 2311201, 10953083, 14818877, 251920909]

約数ペア:

[(1, 251920909), (17, 14818877), (23, 10953083), (109, 2311201), (257, 980237), (391, 644299), (529, 476221), (1853, 135953), (2507, 100487), (4369, 57661), (5911, 42619), (8993, 28013)]