31177770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79943}}^1$

素因数の和:79966

約数の個数: 32

約数和(自身を含む): 80583552

約数和(自身を除く): 49405782

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 79943, 159886, 239829, 399715, 479658, 799430, 1039259, 1199145, 2078518, 2398290, 3117777, 5196295, 6235554, 10392590, 15588885, 31177770]

約数ペア:

[(1, 31177770), (2, 15588885), (3, 10392590), (5, 6235554), (6, 5196295), (10, 3117777), (13, 2398290), (15, 2078518), (26, 1199145), (30, 1039259), (39, 799430), (65, 479658), (78, 399715), (130, 239829), (195, 159886), (390, 79943)]