311663872

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1319}}^1$

素因数の和:1419

約数の個数: 72

約数和(自身を含む): 679916160

約数和(自身を除く): 368252288

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 128, 142, 208, 256, 284, 416, 568, 832, 923, 1136, 1319, 1664, 1846, 2272, 2638, 3328, 3692, 4544, 5276, 7384, 9088, 10552, 14768, 17147, 18176, 21104, 29536, 34294, 42208, 59072, 68588, 84416, 93649, 118144, 137176, 168832, 187298, 236288, 274352, 337664, 374596, 548704, 749192, 1097408, 1217437, 1498384, 2194816, 2434874, 2996768, 4389632, 4869748, 5993536, 9739496, 11987072, 19478992, 23974144, 38957984, 77915968, 155831936, 311663872]

約数ペア:

[(1, 311663872), (2, 155831936), (4, 77915968), (8, 38957984), (13, 23974144), (16, 19478992), (26, 11987072), (32, 9739496), (52, 5993536), (64, 4869748), (71, 4389632), (104, 2996768), (128, 2434874), (142, 2194816), (208, 1498384), (256, 1217437), (284, 1097408), (416, 749192), (568, 548704), (832, 374596), (923, 337664), (1136, 274352), (1319, 236288), (1664, 187298), (1846, 168832), (2272, 137176), (2638, 118144), (3328, 93649), (3692, 84416), (4544, 68588), (5276, 59072), (7384, 42208), (9088, 34294), (10552, 29536), (14768, 21104), (17147, 18176)]