12978208

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23857}}^1$

素因数の和:23884

約数の個数: 24

約数和(自身を含む): 27054972

約数和(自身を除く): 14076764

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 23857, 47714, 95428, 190856, 381712, 405569, 763424, 811138, 1622276, 3244552, 6489104, 12978208]

約数ペア:

[(1, 12978208), (2, 6489104), (4, 3244552), (8, 1622276), (16, 811138), (17, 763424), (32, 405569), (34, 381712), (68, 190856), (136, 95428), (272, 47714), (544, 23857)]