331821928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{2659}}^1$

素因数の和:3505

約数の個数: 32

約数和(自身を含む): 655956000

約数和(自身を除く): 324134072

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 821, 1642, 2659, 3284, 5318, 6568, 10636, 15599, 21272, 31198, 50521, 62396, 101042, 124792, 202084, 404168, 2183039, 4366078, 8732156, 17464312, 41477741, 82955482, 165910964, 331821928]

約数ペア:

[(1, 331821928), (2, 165910964), (4, 82955482), (8, 41477741), (19, 17464312), (38, 8732156), (76, 4366078), (152, 2183039), (821, 404168), (1642, 202084), (2659, 124792), (3284, 101042), (5318, 62396), (6568, 50521), (10636, 31198), (15599, 21272)]