15885254

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 32140800

約数和(自身を除く): 16255546

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 61, 77, 89, 122, 133, 154, 178, 209, 266, 418, 427, 623, 671, 854, 979, 1159, 1246, 1342, 1463, 1691, 1958, 2318, 2926, 3382, 4697, 5429, 6853, 8113, 9394, 10858, 11837, 12749, 13706, 16226, 18601, 23674, 25498, 37202, 38003, 59719, 76006, 89243, 103151, 119438, 130207, 178486, 206302, 260414, 418033, 722057, 836066, 1134661, 1444114, 2269322, 7942627, 15885254]

約数ペア:

[(1, 15885254), (2, 7942627), (7, 2269322), (11, 1444114), (14, 1134661), (19, 836066), (22, 722057), (38, 418033), (61, 260414), (77, 206302), (89, 178486), (122, 130207), (133, 119438), (154, 103151), (178, 89243), (209, 76006), (266, 59719), (418, 38003), (427, 37202), (623, 25498), (671, 23674), (854, 18601), (979, 16226), (1159, 13706), (1246, 12749), (1342, 11837), (1463, 10858), (1691, 9394), (1958, 8113), (2318, 6853), (2926, 5429), (3382, 4697)]