30871984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 71495424

約数和(自身を除く): 40623440

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 103, 104, 131, 143, 176, 206, 208, 262, 286, 412, 524, 572, 824, 1048, 1133, 1144, 1339, 1441, 1648, 1703, 2096, 2266, 2288, 2678, 2882, 3406, 4532, 5356, 5764, 6812, 9064, 10712, 11528, 13493, 13624, 14729, 18128, 18733, 21424, 23056, 26986, 27248, 29458, 37466, 53972, 58916, 74932, 107944, 117832, 148423, 149864, 175409, 215888, 235664, 296846, 299728, 350818, 593692, 701636, 1187384, 1403272, 1929499, 2374768, 2806544, 3858998, 7717996, 15435992, 30871984]

約数ペア:

[(1, 30871984), (2, 15435992), (4, 7717996), (8, 3858998), (11, 2806544), (13, 2374768), (16, 1929499), (22, 1403272), (26, 1187384), (44, 701636), (52, 593692), (88, 350818), (103, 299728), (104, 296846), (131, 235664), (143, 215888), (176, 175409), (206, 149864), (208, 148423), (262, 117832), (286, 107944), (412, 74932), (524, 58916), (572, 53972), (824, 37466), (1048, 29458), (1133, 27248), (1144, 26986), (1339, 23056), (1441, 21424), (1648, 18733), (1703, 18128), (2096, 14729), (2266, 13624), (2288, 13493), (2678, 11528), (2882, 10712), (3406, 9064), (4532, 6812), (5356, 5764)]