68579679

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 106799616

約数和(自身を除く): 38219937

約数列:

[1, 3, 7, 21, 97, 131, 257, 291, 393, 679, 771, 917, 1799, 2037, 2751, 5397, 12707, 24929, 33667, 38121, 74787, 88949, 101001, 174503, 235669, 266847, 523509, 707007, 3265699, 9797097, 22859893, 68579679]

約数ペア:

[(1, 68579679), (3, 22859893), (7, 9797097), (21, 3265699), (97, 707007), (131, 523509), (257, 266847), (291, 235669), (393, 174503), (679, 101001), (771, 88949), (917, 74787), (1799, 38121), (2037, 33667), (2751, 24929), (5397, 12707)]