251665986

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2141}}^1$

素因数の和:2307

約数の個数: 64

約数和(自身を含む): 595921536

約数和(自身を除く): 344255550

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 137, 143, 274, 286, 411, 429, 822, 858, 1507, 1781, 2141, 3014, 3562, 4282, 4521, 5343, 6423, 9042, 10686, 12846, 19591, 23551, 27833, 39182, 47102, 55666, 58773, 70653, 83499, 117546, 141306, 166998, 293317, 306163, 586634, 612326, 879951, 918489, 1759902, 1836978, 3226487, 3813121, 6452974, 7626242, 9679461, 11439363, 19358922, 22878726, 41944331, 83888662, 125832993, 251665986]

約数ペア:

[(1, 251665986), (2, 125832993), (3, 83888662), (6, 41944331), (11, 22878726), (13, 19358922), (22, 11439363), (26, 9679461), (33, 7626242), (39, 6452974), (66, 3813121), (78, 3226487), (137, 1836978), (143, 1759902), (274, 918489), (286, 879951), (411, 612326), (429, 586634), (822, 306163), (858, 293317), (1507, 166998), (1781, 141306), (2141, 117546), (3014, 83499), (3562, 70653), (4282, 58773), (4521, 55666), (5343, 47102), (6423, 39182), (9042, 27833), (10686, 23551), (12846, 19591)]