221570258

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{173917}}^1$

素因数の和:173946

約数の個数: 24

約数和(自身を含む): 416359692

約数和(自身を除く): 194789434

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 173917, 347834, 1217419, 2260921, 2434838, 4521842, 8521933, 15826447, 17043866, 31652894, 110785129, 221570258]

約数ペア:

[(1, 221570258), (2, 110785129), (7, 31652894), (13, 17043866), (14, 15826447), (26, 8521933), (49, 4521842), (91, 2434838), (98, 2260921), (182, 1217419), (637, 347834), (1274, 173917)]