15291556

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 32112640

約数和(自身を除く): 16821084

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 79, 124, 158, 217, 223, 316, 434, 446, 553, 868, 892, 1106, 1561, 2212, 2449, 3122, 4898, 6244, 6913, 9796, 13826, 17143, 17617, 27652, 34286, 35234, 48391, 68572, 70468, 96782, 123319, 193564, 246638, 493276, 546127, 1092254, 2184508, 3822889, 7645778, 15291556]

約数ペア:

[(1, 15291556), (2, 7645778), (4, 3822889), (7, 2184508), (14, 1092254), (28, 546127), (31, 493276), (62, 246638), (79, 193564), (124, 123319), (158, 96782), (217, 70468), (223, 68572), (316, 48391), (434, 35234), (446, 34286), (553, 27652), (868, 17617), (892, 17143), (1106, 13826), (1561, 9796), (2212, 6913), (2449, 6244), (3122, 4898)]