221485823

素因数分解:

${\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 247489200

約数和(自身を除く): 26003377

約数列:

[1, 13, 59, 97, 169, 229, 767, 1261, 2977, 5723, 9971, 13511, 16393, 22213, 38701, 74399, 175643, 288769, 967187, 1310567, 2283359, 3753997, 17037371, 221485823]

約数ペア:

[(1, 221485823), (13, 17037371), (59, 3753997), (97, 2283359), (169, 1310567), (229, 967187), (767, 288769), (1261, 175643), (2977, 74399), (5723, 38701), (9971, 22213), (13511, 16393)]