8440355

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1993}}^1$

素因数の和:2027

約数の個数: 24

約数和(自身を含む): 12729696

約数和(自身を除く): 4289341

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 1993, 4235, 9965, 13951, 21923, 69755, 109615, 153461, 241153, 767305, 1205765, 1688071, 8440355]

約数ペア:

[(1, 8440355), (5, 1688071), (7, 1205765), (11, 767305), (35, 241153), (55, 153461), (77, 109615), (121, 69755), (385, 21923), (605, 13951), (847, 9965), (1993, 4235)]