15901886

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{47}}^1$

素因数の和:106

約数の個数: 64

約数和(自身を含む): 32901120

約数和(自身を除く): 16999234

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 47, 77, 91, 94, 143, 154, 169, 182, 286, 329, 338, 517, 611, 658, 1001, 1034, 1183, 1222, 1859, 2002, 2197, 2366, 3619, 3718, 4277, 4394, 6721, 7238, 7943, 8554, 13013, 13442, 15379, 15886, 24167, 26026, 30758, 47047, 48334, 55601, 87373, 94094, 103259, 111202, 169169, 174746, 206518, 338338, 611611, 722813, 1135849, 1223222, 1445626, 2271698, 7950943, 15901886]

約数ペア:

[(1, 15901886), (2, 7950943), (7, 2271698), (11, 1445626), (13, 1223222), (14, 1135849), (22, 722813), (26, 611611), (47, 338338), (77, 206518), (91, 174746), (94, 169169), (143, 111202), (154, 103259), (169, 94094), (182, 87373), (286, 55601), (329, 48334), (338, 47047), (517, 30758), (611, 26026), (658, 24167), (1001, 15886), (1034, 15379), (1183, 13442), (1222, 13013), (1859, 8554), (2002, 7943), (2197, 7238), (2366, 6721), (3619, 4394), (3718, 4277)]