13067725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 19373760

約数和(自身を除く): 6306035

約数列:

[1, 5, 11, 19, 25, 41, 55, 61, 95, 205, 209, 275, 305, 451, 475, 671, 779, 1025, 1045, 1159, 1525, 2255, 2501, 3355, 3895, 5225, 5795, 8569, 11275, 12505, 12749, 16775, 19475, 27511, 28975, 42845, 47519, 62525, 63745, 137555, 214225, 237595, 318725, 522709, 687775, 1187975, 2613545, 13067725]

約数ペア:

[(1, 13067725), (5, 2613545), (11, 1187975), (19, 687775), (25, 522709), (41, 318725), (55, 237595), (61, 214225), (95, 137555), (205, 63745), (209, 62525), (275, 47519), (305, 42845), (451, 28975), (475, 27511), (671, 19475), (779, 16775), (1025, 12749), (1045, 12505), (1159, 11275), (1525, 8569), (2255, 5795), (2501, 5225), (3355, 3895)]