31507966

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3821}}^1$

素因数の和:3880

約数の個数: 32

約数和(自身を含む): 58705920

約数和(自身を除く): 27197954

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 217, 266, 434, 589, 1178, 3821, 4123, 7642, 8246, 26747, 53494, 72599, 118451, 145198, 236902, 508193, 829157, 1016386, 1658314, 2250569, 4501138, 15753983, 31507966]

約数ペア:

[(1, 31507966), (2, 15753983), (7, 4501138), (14, 2250569), (19, 1658314), (31, 1016386), (38, 829157), (62, 508193), (133, 236902), (217, 145198), (266, 118451), (434, 72599), (589, 53494), (1178, 26747), (3821, 8246), (4123, 7642)]