53779975

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 36

約数和(自身を含む): 72283320

約数和(自身を除く): 18503345

約数列:

[1, 5, 19, 25, 59, 95, 101, 295, 361, 475, 505, 1121, 1475, 1805, 1919, 2525, 5605, 5959, 9025, 9595, 21299, 28025, 29795, 36461, 47975, 106495, 113221, 148975, 182305, 532475, 566105, 911525, 2151199, 2830525, 10755995, 53779975]

約数ペア:

[(1, 53779975), (5, 10755995), (19, 2830525), (25, 2151199), (59, 911525), (95, 566105), (101, 532475), (295, 182305), (361, 148975), (475, 113221), (505, 106495), (1121, 47975), (1475, 36461), (1805, 29795), (1919, 28025), (2525, 21299), (5605, 9595), (5959, 9025)]