25189996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2459}}^1$

素因数の和:2673

約数の個数: 24

約数和(自身を含む): 47733840

約数和(自身を除く): 22543844

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 2459, 2561, 4918, 5122, 9836, 10244, 31967, 63934, 127868, 484423, 968846, 1937692, 6297499, 12594998, 25189996]

約数ペア:

[(1, 25189996), (2, 12594998), (4, 6297499), (13, 1937692), (26, 968846), (52, 484423), (197, 127868), (394, 63934), (788, 31967), (2459, 10244), (2561, 9836), (4918, 5122)]