25149904

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 60

約数和(自身を含む): 53916192

約数和(自身を除く): 28766288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 131, 142, 169, 208, 262, 284, 338, 524, 568, 676, 923, 1048, 1136, 1352, 1703, 1846, 2096, 2704, 3406, 3692, 6812, 7384, 9301, 11999, 13624, 14768, 18602, 22139, 23998, 27248, 37204, 44278, 47996, 74408, 88556, 95992, 120913, 148816, 177112, 191984, 241826, 354224, 483652, 967304, 1571869, 1934608, 3143738, 6287476, 12574952, 25149904]

約数ペア:

[(1, 25149904), (2, 12574952), (4, 6287476), (8, 3143738), (13, 1934608), (16, 1571869), (26, 967304), (52, 483652), (71, 354224), (104, 241826), (131, 191984), (142, 177112), (169, 148816), (208, 120913), (262, 95992), (284, 88556), (338, 74408), (524, 47996), (568, 44278), (676, 37204), (923, 27248), (1048, 23998), (1136, 22139), (1352, 18602), (1703, 14768), (1846, 13624), (2096, 11999), (2704, 9301), (3406, 7384), (3692, 6812)]