515046025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1277}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 738796464

約数和(自身を除く): 223750439

約数列:

[1, 5, 13, 17, 25, 65, 73, 85, 221, 325, 365, 425, 949, 1105, 1241, 1277, 1825, 4745, 5525, 6205, 6385, 16133, 16601, 21709, 23725, 31025, 31925, 80665, 83005, 93221, 108545, 282217, 403325, 415025, 466105, 542725, 1211873, 1411085, 1584757, 2330525, 6059365, 7055425, 7923785, 20601841, 30296825, 39618925, 103009205, 515046025]

約数ペア:

[(1, 515046025), (5, 103009205), (13, 39618925), (17, 30296825), (25, 20601841), (65, 7923785), (73, 7055425), (85, 6059365), (221, 2330525), (325, 1584757), (365, 1411085), (425, 1211873), (949, 542725), (1105, 466105), (1241, 415025), (1277, 403325), (1825, 282217), (4745, 108545), (5525, 93221), (6205, 83005), (6385, 80665), (16133, 31925), (16601, 31025), (21709, 23725)]