81506166

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 191213568

約数和(自身を除く): 109707402

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 83, 103, 166, 206, 227, 249, 309, 454, 498, 581, 618, 681, 721, 1162, 1362, 1442, 1589, 1743, 2163, 3178, 3486, 4326, 4767, 8549, 9534, 17098, 18841, 23381, 25647, 37682, 46762, 51294, 56523, 59843, 70143, 113046, 119686, 131887, 140286, 163667, 179529, 263774, 327334, 359058, 395661, 491001, 791322, 982002, 1940623, 3881246, 5821869, 11643738, 13584361, 27168722, 40753083, 81506166]

約数ペア:

[(1, 81506166), (2, 40753083), (3, 27168722), (6, 13584361), (7, 11643738), (14, 5821869), (21, 3881246), (42, 1940623), (83, 982002), (103, 791322), (166, 491001), (206, 395661), (227, 359058), (249, 327334), (309, 263774), (454, 179529), (498, 163667), (581, 140286), (618, 131887), (681, 119686), (721, 113046), (1162, 70143), (1362, 59843), (1442, 56523), (1589, 51294), (1743, 46762), (2163, 37682), (3178, 25647), (3486, 23381), (4326, 18841), (4767, 17098), (8549, 9534)]