81800706

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^3\times {\mathrm{43}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 186721920

約数和(自身を除く): 104921214

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 43, 58, 78, 86, 87, 129, 174, 258, 377, 559, 754, 841, 1118, 1131, 1247, 1677, 1682, 2262, 2494, 2523, 3354, 3741, 5046, 7482, 10933, 16211, 21866, 24389, 32422, 32799, 36163, 48633, 48778, 65598, 72326, 73167, 97266, 108489, 146334, 216978, 317057, 470119, 634114, 940238, 951171, 1048727, 1410357, 1902342, 2097454, 2820714, 3146181, 6292362, 13633451, 27266902, 40900353, 81800706]

約数ペア:

[(1, 81800706), (2, 40900353), (3, 27266902), (6, 13633451), (13, 6292362), (26, 3146181), (29, 2820714), (39, 2097454), (43, 1902342), (58, 1410357), (78, 1048727), (86, 951171), (87, 940238), (129, 634114), (174, 470119), (258, 317057), (377, 216978), (559, 146334), (754, 108489), (841, 97266), (1118, 73167), (1131, 72326), (1247, 65598), (1677, 48778), (1682, 48633), (2262, 36163), (2494, 32799), (2523, 32422), (3354, 24389), (3741, 21866), (5046, 16211), (7482, 10933)]