247978995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 449141760

約数和(自身を除く): 201162765

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 151, 165, 185, 269, 407, 453, 555, 755, 807, 1221, 1345, 1661, 2035, 2265, 2959, 4035, 4983, 5587, 6105, 8305, 8877, 9953, 14795, 16761, 24915, 27935, 29859, 40619, 44385, 49765, 61457, 83805, 109483, 121857, 149295, 184371, 203095, 307285, 328449, 446809, 547415, 609285, 921855, 1340427, 1502903, 1642245, 2234045, 4508709, 6702135, 7514515, 16531933, 22543545, 49595799, 82659665, 247978995]

約数ペア:

[(1, 247978995), (3, 82659665), (5, 49595799), (11, 22543545), (15, 16531933), (33, 7514515), (37, 6702135), (55, 4508709), (111, 2234045), (151, 1642245), (165, 1502903), (185, 1340427), (269, 921855), (407, 609285), (453, 547415), (555, 446809), (755, 328449), (807, 307285), (1221, 203095), (1345, 184371), (1661, 149295), (2035, 121857), (2265, 109483), (2959, 83805), (4035, 61457), (4983, 49765), (5587, 44385), (6105, 40619), (8305, 29859), (8877, 27935), (9953, 24915), (14795, 16761)]