31389862

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{593}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 57024000

約数和(自身を除く): 25634138

約数列:

[1, 2, 7, 14, 19, 38, 133, 199, 266, 398, 593, 1186, 1393, 2786, 3781, 4151, 7562, 8302, 11267, 22534, 26467, 52934, 78869, 118007, 157738, 236014, 826049, 1652098, 2242133, 4484266, 15694931, 31389862]

約数ペア:

[(1, 31389862), (2, 15694931), (7, 4484266), (14, 2242133), (19, 1652098), (38, 826049), (133, 236014), (199, 157738), (266, 118007), (398, 78869), (593, 52934), (1186, 26467), (1393, 22534), (2786, 11267), (3781, 8302), (4151, 7562)]