26881452

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:903

約数の個数: 72

約数和(自身を含む): 74299680

約数和(自身を除く): 47418228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 639, 809, 852, 923, 1278, 1618, 1846, 2427, 2556, 2769, 3236, 3692, 4854, 5538, 7281, 8307, 9708, 10517, 11076, 14562, 16614, 21034, 29124, 31551, 33228, 42068, 57439, 63102, 94653, 114878, 126204, 172317, 189306, 229756, 344634, 378612, 516951, 689268, 746707, 1033902, 1493414, 2067804, 2240121, 2986828, 4480242, 6720363, 8960484, 13440726, 26881452]

約数ペア:

[(1, 26881452), (2, 13440726), (3, 8960484), (4, 6720363), (6, 4480242), (9, 2986828), (12, 2240121), (13, 2067804), (18, 1493414), (26, 1033902), (36, 746707), (39, 689268), (52, 516951), (71, 378612), (78, 344634), (117, 229756), (142, 189306), (156, 172317), (213, 126204), (234, 114878), (284, 94653), (426, 63102), (468, 57439), (639, 42068), (809, 33228), (852, 31551), (923, 29124), (1278, 21034), (1618, 16614), (1846, 14562), (2427, 11076), (2556, 10517), (2769, 9708), (3236, 8307), (3692, 7281), (4854, 5538)]