311644312

素因数分解:

$2^3\times 7^3\times {\mathrm{137}}^1\times {\mathrm{829}}^1$

素因数の和:993

約数の個数: 64

約数和(自身を含む): 687240000

約数和(自身を除く): 375595688

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 137, 196, 274, 343, 392, 548, 686, 829, 959, 1096, 1372, 1658, 1918, 2744, 3316, 3836, 5803, 6632, 6713, 7672, 11606, 13426, 23212, 26852, 40621, 46424, 46991, 53704, 81242, 93982, 113573, 162484, 187964, 227146, 284347, 324968, 375928, 454292, 568694, 795011, 908584, 1137388, 1590022, 2274776, 3180044, 5565077, 6360088, 11130154, 22260308, 38955539, 44520616, 77911078, 155822156, 311644312]

約数ペア:

[(1, 311644312), (2, 155822156), (4, 77911078), (7, 44520616), (8, 38955539), (14, 22260308), (28, 11130154), (49, 6360088), (56, 5565077), (98, 3180044), (137, 2274776), (196, 1590022), (274, 1137388), (343, 908584), (392, 795011), (548, 568694), (686, 454292), (829, 375928), (959, 324968), (1096, 284347), (1372, 227146), (1658, 187964), (1918, 162484), (2744, 113573), (3316, 93982), (3836, 81242), (5803, 53704), (6632, 46991), (6713, 46424), (7672, 40621), (11606, 26852), (13426, 23212)]