71686748

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 146576640

約数和(自身を除く): 74889892

約数列:

[1, 2, 4, 7, 14, 28, 113, 139, 163, 226, 278, 326, 452, 556, 652, 791, 973, 1141, 1582, 1946, 2282, 3164, 3892, 4564, 15707, 18419, 22657, 31414, 36838, 45314, 62828, 73676, 90628, 109949, 128933, 158599, 219898, 257866, 317198, 439796, 515732, 634396, 2560241, 5120482, 10240964, 17921687, 35843374, 71686748]

約数ペア:

[(1, 71686748), (2, 35843374), (4, 17921687), (7, 10240964), (14, 5120482), (28, 2560241), (113, 634396), (139, 515732), (163, 439796), (226, 317198), (278, 257866), (326, 219898), (452, 158599), (556, 128933), (652, 109949), (791, 90628), (973, 73676), (1141, 62828), (1582, 45314), (1946, 36838), (2282, 31414), (3164, 22657), (3892, 18419), (4564, 15707)]