821452710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2106289}}^1$

素因数の和:2106312

約数の個数: 32

約数和(自身を含む): 2123140320

約数和(自身を除く): 1301687610

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 2106289, 4212578, 6318867, 10531445, 12637734, 21062890, 27381757, 31594335, 54763514, 63188670, 82145271, 136908785, 164290542, 273817570, 410726355, 821452710]

約数ペア:

[(1, 821452710), (2, 410726355), (3, 273817570), (5, 164290542), (6, 136908785), (10, 82145271), (13, 63188670), (15, 54763514), (26, 31594335), (30, 27381757), (39, 21062890), (65, 12637734), (78, 10531445), (130, 6318867), (195, 4212578), (390, 2106289)]