31723770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81343}}^1$

素因数の和:81366

約数の個数: 32

約数和(自身を含む): 81994752

約数和(自身を除く): 50270982

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 81343, 162686, 244029, 406715, 488058, 813430, 1057459, 1220145, 2114918, 2440290, 3172377, 5287295, 6344754, 10574590, 15861885, 31723770]

約数ペア:

[(1, 31723770), (2, 15861885), (3, 10574590), (5, 6344754), (6, 5287295), (10, 3172377), (13, 2440290), (15, 2114918), (26, 1220145), (30, 1057459), (39, 813430), (65, 488058), (78, 406715), (130, 244029), (195, 162686), (390, 81343)]