31856426

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 61931520

約数和(自身を除く): 30075094

約数列:

[1, 2, 7, 14, 19, 23, 38, 41, 46, 82, 127, 133, 161, 254, 266, 287, 322, 437, 574, 779, 874, 889, 943, 1558, 1778, 1886, 2413, 2921, 3059, 4826, 5207, 5453, 5842, 6118, 6601, 10414, 10906, 13202, 16891, 17917, 20447, 33782, 35834, 36449, 40894, 55499, 72898, 98933, 110998, 119761, 125419, 197866, 239522, 250838, 388493, 692531, 776986, 838327, 1385062, 1676654, 2275459, 4550918, 15928213, 31856426]

約数ペア:

[(1, 31856426), (2, 15928213), (7, 4550918), (14, 2275459), (19, 1676654), (23, 1385062), (38, 838327), (41, 776986), (46, 692531), (82, 388493), (127, 250838), (133, 239522), (161, 197866), (254, 125419), (266, 119761), (287, 110998), (322, 98933), (437, 72898), (574, 55499), (779, 40894), (874, 36449), (889, 35834), (943, 33782), (1558, 20447), (1778, 17917), (1886, 16891), (2413, 13202), (2921, 10906), (3059, 10414), (4826, 6601), (5207, 6118), (5453, 5842)]