31998658

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 55702080

約数和(自身を除く): 23703422

約数列:

[1, 2, 17, 23, 29, 34, 46, 58, 83, 166, 289, 391, 493, 578, 667, 782, 986, 1334, 1411, 1909, 2407, 2822, 3818, 4814, 6647, 8381, 11339, 13294, 16762, 22678, 23987, 32453, 40919, 47974, 55361, 64906, 81838, 110722, 192763, 385526, 551701, 695623, 941137, 1103402, 1391246, 1882274, 15999329, 31998658]

約数ペア:

[(1, 31998658), (2, 15999329), (17, 1882274), (23, 1391246), (29, 1103402), (34, 941137), (46, 695623), (58, 551701), (83, 385526), (166, 192763), (289, 110722), (391, 81838), (493, 64906), (578, 55361), (667, 47974), (782, 40919), (986, 32453), (1334, 23987), (1411, 22678), (1909, 16762), (2407, 13294), (2822, 11339), (3818, 8381), (4814, 6647)]