7972770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20443}}^1$

素因数の和:20466

約数の個数: 32

約数和(自身を含む): 20607552

約数和(自身を除く): 12634782

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20443, 40886, 61329, 102215, 122658, 204430, 265759, 306645, 531518, 613290, 797277, 1328795, 1594554, 2657590, 3986385, 7972770]

約数ペア:

[(1, 7972770), (2, 3986385), (3, 2657590), (5, 1594554), (6, 1328795), (10, 797277), (13, 613290), (15, 531518), (26, 306645), (30, 265759), (39, 204430), (65, 122658), (78, 102215), (130, 61329), (195, 40886), (390, 20443)]