25721384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2269}}^1$

素因数の和:2397

約数の個数: 32

約数和(自身を含む): 52437000

約数和(自身を除く): 26715616

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 2269, 2834, 4538, 5668, 9076, 11336, 18152, 29497, 58994, 117988, 235976, 247321, 494642, 989284, 1978568, 3215173, 6430346, 12860692, 25721384]

約数ペア:

[(1, 25721384), (2, 12860692), (4, 6430346), (8, 3215173), (13, 1978568), (26, 989284), (52, 494642), (104, 247321), (109, 235976), (218, 117988), (436, 58994), (872, 29497), (1417, 18152), (2269, 11336), (2834, 9076), (4538, 5668)]