510987568

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4943}}^1$

素因数の和:5042

約数の個数: 80

約数和(自身を含む): 1235920896

約数和(自身を除く): 724933328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 71, 91, 104, 112, 142, 182, 208, 284, 364, 497, 568, 728, 923, 994, 1136, 1456, 1846, 1988, 3692, 3976, 4943, 6461, 7384, 7952, 9886, 12922, 14768, 19772, 25844, 34601, 39544, 51688, 64259, 69202, 79088, 103376, 128518, 138404, 257036, 276808, 350953, 449813, 514072, 553616, 701906, 899626, 1028144, 1403812, 1799252, 2456671, 2807624, 3598504, 4562389, 4913342, 5615248, 7197008, 9124778, 9826684, 18249556, 19653368, 31936723, 36499112, 39306736, 63873446, 72998224, 127746892, 255493784, 510987568]

約数ペア:

[(1, 510987568), (2, 255493784), (4, 127746892), (7, 72998224), (8, 63873446), (13, 39306736), (14, 36499112), (16, 31936723), (26, 19653368), (28, 18249556), (52, 9826684), (56, 9124778), (71, 7197008), (91, 5615248), (104, 4913342), (112, 4562389), (142, 3598504), (182, 2807624), (208, 2456671), (284, 1799252), (364, 1403812), (497, 1028144), (568, 899626), (728, 701906), (923, 553616), (994, 514072), (1136, 449813), (1456, 350953), (1846, 276808), (1988, 257036), (3692, 138404), (3976, 128518), (4943, 103376), (6461, 79088), (7384, 69202), (7952, 64259), (9886, 51688), (12922, 39544), (14768, 34601), (19772, 25844)]