218124578

素因数分解:

$2^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{19697}}^1$

素因数の和:19826

約数の個数: 24

約数和(自身を含む): 383992812

約数和(自身を除く): 165868234

約数列:

[1, 2, 7, 14, 49, 98, 113, 226, 791, 1582, 5537, 11074, 19697, 39394, 137879, 275758, 965153, 1930306, 2225761, 4451522, 15580327, 31160654, 109062289, 218124578]

約数ペア:

[(1, 218124578), (2, 109062289), (7, 31160654), (14, 15580327), (49, 4451522), (98, 2225761), (113, 1930306), (226, 965153), (791, 275758), (1582, 137879), (5537, 39394), (11074, 19697)]