81850804

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 167521536

約数和(自身を除く): 85670732

約数列:

[1, 2, 4, 7, 14, 28, 101, 103, 202, 206, 281, 404, 412, 562, 707, 721, 1124, 1414, 1442, 1967, 2828, 2884, 3934, 7868, 10403, 20806, 28381, 28943, 41612, 56762, 57886, 72821, 113524, 115772, 145642, 198667, 202601, 291284, 397334, 405202, 794668, 810404, 2923243, 5846486, 11692972, 20462701, 40925402, 81850804]

約数ペア:

[(1, 81850804), (2, 40925402), (4, 20462701), (7, 11692972), (14, 5846486), (28, 2923243), (101, 810404), (103, 794668), (202, 405202), (206, 397334), (281, 291284), (404, 202601), (412, 198667), (562, 145642), (707, 115772), (721, 113524), (1124, 72821), (1414, 57886), (1442, 56762), (1967, 41612), (2828, 28943), (2884, 28381), (3934, 20806), (7868, 10403)]