1279746590

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1\times {\mathrm{1423}}^1$

素因数の和:2216

約数の個数: 32

約数和(自身を含む): 2325335040

約数和(自身を除く): 1045588450

約数列:

[1, 2, 5, 10, 139, 278, 647, 695, 1294, 1390, 1423, 2846, 3235, 6470, 7115, 14230, 89933, 179866, 197797, 395594, 449665, 899330, 920681, 988985, 1841362, 1977970, 4603405, 9206810, 127974659, 255949318, 639873295, 1279746590]

約数ペア:

[(1, 1279746590), (2, 639873295), (5, 255949318), (10, 127974659), (139, 9206810), (278, 4603405), (647, 1977970), (695, 1841362), (1294, 988985), (1390, 920681), (1423, 899330), (2846, 449665), (3235, 395594), (6470, 197797), (7115, 179866), (14230, 89933)]