25173156976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{641387}}^1$

素因数の和:641629

約数の個数: 40

約数和(自身を含む): 53445579264

約数和(自身を除く): 28272422288

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 223, 446, 892, 1784, 2453, 3568, 4906, 9812, 19624, 39248, 641387, 1282774, 2565548, 5131096, 7055257, 10262192, 14110514, 28221028, 56442056, 112884112, 143029301, 286058602, 572117204, 1144234408, 1573322311, 2288468816, 3146644622, 6293289244, 12586578488, 25173156976]

約数ペア:

[(1, 25173156976), (2, 12586578488), (4, 6293289244), (8, 3146644622), (11, 2288468816), (16, 1573322311), (22, 1144234408), (44, 572117204), (88, 286058602), (176, 143029301), (223, 112884112), (446, 56442056), (892, 28221028), (1784, 14110514), (2453, 10262192), (3568, 7055257), (4906, 5131096), (9812, 2565548), (19624, 1282774), (39248, 641387)]