27261728

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{71}}^2$

素因数の和:178

約数の個数: 54

約数和(自身を含む): 58947777

約数和(自身を除く): 31686049

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 104, 142, 169, 208, 284, 338, 416, 568, 676, 923, 1136, 1352, 1846, 2272, 2704, 3692, 5041, 5408, 7384, 10082, 11999, 14768, 20164, 23998, 29536, 40328, 47996, 65533, 80656, 95992, 131066, 161312, 191984, 262132, 383968, 524264, 851929, 1048528, 1703858, 2097056, 3407716, 6815432, 13630864, 27261728]

約数ペア:

[(1, 27261728), (2, 13630864), (4, 6815432), (8, 3407716), (13, 2097056), (16, 1703858), (26, 1048528), (32, 851929), (52, 524264), (71, 383968), (104, 262132), (142, 191984), (169, 161312), (208, 131066), (284, 95992), (338, 80656), (416, 65533), (568, 47996), (676, 40328), (923, 29536), (1136, 23998), (1352, 20164), (1846, 14768), (2272, 11999), (2704, 10082), (3692, 7384), (5041, 5408)]