128714575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7673}}^1$

素因数の和:7755

約数の個数: 24

約数和(自身を含む): 176993136

約数和(自身を除く): 48278561

約数列:

[1, 5, 11, 25, 55, 61, 275, 305, 671, 1525, 3355, 7673, 16775, 38365, 84403, 191825, 422015, 468053, 2110075, 2340265, 5148583, 11701325, 25742915, 128714575]

約数ペア:

[(1, 128714575), (5, 25742915), (11, 11701325), (25, 5148583), (55, 2340265), (61, 2110075), (275, 468053), (305, 422015), (671, 191825), (1525, 84403), (3355, 38365), (7673, 16775)]