12227225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 15832320

約数和(自身を除く): 3605095

約数列:

[1, 5, 25, 41, 79, 151, 205, 395, 755, 1025, 1975, 3239, 3775, 6191, 11929, 16195, 30955, 59645, 80975, 154775, 298225, 489089, 2445445, 12227225]

約数ペア:

[(1, 12227225), (5, 2445445), (25, 489089), (41, 298225), (79, 154775), (151, 80975), (205, 59645), (395, 30955), (755, 16195), (1025, 11929), (1975, 6191), (3239, 3775)]