31639328

素因数分解:

$2^5\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1031}}^1$

素因数の和:1185

約数の個数: 48

約数和(自身を含む): 71777664

約数和(自身を除く): 40138336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 137, 224, 274, 548, 959, 1031, 1096, 1918, 2062, 2192, 3836, 4124, 4384, 7217, 7672, 8248, 14434, 15344, 16496, 28868, 30688, 32992, 57736, 115472, 141247, 230944, 282494, 564988, 988729, 1129976, 1977458, 2259952, 3954916, 4519904, 7909832, 15819664, 31639328]

約数ペア:

[(1, 31639328), (2, 15819664), (4, 7909832), (7, 4519904), (8, 3954916), (14, 2259952), (16, 1977458), (28, 1129976), (32, 988729), (56, 564988), (112, 282494), (137, 230944), (224, 141247), (274, 115472), (548, 57736), (959, 32992), (1031, 30688), (1096, 28868), (1918, 16496), (2062, 15344), (2192, 14434), (3836, 8248), (4124, 7672), (4384, 7217)]