38647856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2617}}^1$

素因数の和:2709

約数の個数: 40

約数和(自身を含む): 81807264

約数和(自身を除く): 43159408

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 2617, 3692, 5234, 7384, 10468, 14768, 20936, 34021, 41872, 68042, 136084, 185807, 272168, 371614, 544336, 743228, 1486456, 2415491, 2972912, 4830982, 9661964, 19323928, 38647856]

約数ペア:

[(1, 38647856), (2, 19323928), (4, 9661964), (8, 4830982), (13, 2972912), (16, 2415491), (26, 1486456), (52, 743228), (71, 544336), (104, 371614), (142, 272168), (208, 185807), (284, 136084), (568, 68042), (923, 41872), (1136, 34021), (1846, 20936), (2617, 14768), (3692, 10468), (5234, 7384)]