231867220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{891797}}^1$

素因数の和:891819

約数の個数: 24

約数和(自身を含む): 524377224

約数和(自身を除く): 292510004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 891797, 1783594, 3567188, 4458985, 8917970, 11593361, 17835940, 23186722, 46373444, 57966805, 115933610, 231867220]

約数ペア:

[(1, 231867220), (2, 115933610), (4, 57966805), (5, 46373444), (10, 23186722), (13, 17835940), (20, 11593361), (26, 8917970), (52, 4458985), (65, 3567188), (130, 1783594), (260, 891797)]