219675806

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{1061}}^1$

素因数の和:1736

約数の個数: 32

約数和(自身を含む): 393942528

約数和(自身を除く): 174266722

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 643, 1061, 1286, 2122, 4501, 7427, 9002, 14789, 14854, 24403, 29578, 48806, 103523, 170821, 207046, 341642, 682223, 1364446, 4775561, 9551122, 15691129, 31382258, 109837903, 219675806]

約数ペア:

[(1, 219675806), (2, 109837903), (7, 31382258), (14, 15691129), (23, 9551122), (46, 4775561), (161, 1364446), (322, 682223), (643, 341642), (1061, 207046), (1286, 170821), (2122, 103523), (4501, 48806), (7427, 29578), (9002, 24403), (14789, 14854)]