209218966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{7879}}^1$

素因数の和:7980

約数の個数: 32

約数和(自身を含む): 367649280

約数和(自身を除く): 158430314

約数列:

[1, 2, 11, 17, 22, 34, 71, 142, 187, 374, 781, 1207, 1562, 2414, 7879, 13277, 15758, 26554, 86669, 133943, 173338, 267886, 559409, 1118818, 1473373, 2946746, 6153499, 9509953, 12306998, 19019906, 104609483, 209218966]

約数ペア:

[(1, 209218966), (2, 104609483), (11, 19019906), (17, 12306998), (22, 9509953), (34, 6153499), (71, 2946746), (142, 1473373), (187, 1118818), (374, 559409), (781, 267886), (1207, 173338), (1562, 133943), (2414, 86669), (7879, 26554), (13277, 15758)]