31525390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{863}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 61399296

約数和(自身を除く): 29873906

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 281, 562, 863, 1405, 1726, 2810, 3653, 4315, 7306, 8630, 11219, 18265, 22438, 36530, 56095, 112190, 242503, 485006, 1212515, 2425030, 3152539, 6305078, 15762695, 31525390]

約数ペア:

[(1, 31525390), (2, 15762695), (5, 6305078), (10, 3152539), (13, 2425030), (26, 1212515), (65, 485006), (130, 242503), (281, 112190), (562, 56095), (863, 36530), (1405, 22438), (1726, 18265), (2810, 11219), (3653, 8630), (4315, 7306)]