221458426

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{1229}}^1$

素因数の和:1510

約数の個数: 32

約数和(自身を含む): 388010880

約数和(自身を除く): 166552454

約数列:

[1, 2, 7, 14, 61, 122, 211, 422, 427, 854, 1229, 1477, 2458, 2954, 8603, 12871, 17206, 25742, 74969, 90097, 149938, 180194, 259319, 518638, 524783, 1049566, 1815233, 3630466, 15818459, 31636918, 110729213, 221458426]

約数ペア:

[(1, 221458426), (2, 110729213), (7, 31636918), (14, 15818459), (61, 3630466), (122, 1815233), (211, 1049566), (422, 524783), (427, 518638), (854, 259319), (1229, 180194), (1477, 149938), (2458, 90097), (2954, 74969), (8603, 25742), (12871, 17206)]