905216914

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 1636872192

約数和(自身を除く): 731655278

約数列:

[1, 2, 7, 14, 37, 71, 74, 142, 151, 163, 259, 302, 326, 497, 518, 994, 1057, 1141, 2114, 2282, 2627, 5254, 5587, 6031, 10721, 11174, 11573, 12062, 18389, 21442, 23146, 24613, 36778, 39109, 42217, 49226, 75047, 78218, 81011, 84434, 150094, 162022, 172291, 344582, 396677, 428201, 793354, 856402, 910681, 1747523, 1821362, 2776739, 2997407, 3495046, 5553478, 5994814, 6374767, 12232661, 12749534, 24465322, 64658351, 129316702, 452608457, 905216914]

約数ペア:

[(1, 905216914), (2, 452608457), (7, 129316702), (14, 64658351), (37, 24465322), (71, 12749534), (74, 12232661), (142, 6374767), (151, 5994814), (163, 5553478), (259, 3495046), (302, 2997407), (326, 2776739), (497, 1821362), (518, 1747523), (994, 910681), (1057, 856402), (1141, 793354), (2114, 428201), (2282, 396677), (2627, 344582), (5254, 172291), (5587, 162022), (6031, 150094), (10721, 84434), (11174, 81011), (11573, 78218), (12062, 75047), (18389, 49226), (21442, 42217), (23146, 39109), (24613, 36778)]