31283590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 61900848

約数和(自身を除く): 30617258

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 169, 173, 214, 338, 346, 535, 845, 865, 1070, 1391, 1690, 1730, 2249, 2782, 4498, 6955, 11245, 13910, 18083, 18511, 22490, 29237, 36166, 37022, 58474, 90415, 92555, 146185, 180830, 185110, 240643, 292370, 481286, 1203215, 2406430, 3128359, 6256718, 15641795, 31283590]

約数ペア:

[(1, 31283590), (2, 15641795), (5, 6256718), (10, 3128359), (13, 2406430), (26, 1203215), (65, 481286), (107, 292370), (130, 240643), (169, 185110), (173, 180830), (214, 146185), (338, 92555), (346, 90415), (535, 58474), (845, 37022), (865, 36166), (1070, 29237), (1391, 22490), (1690, 18511), (1730, 18083), (2249, 13910), (2782, 11245), (4498, 6955)]