489607508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{86381}}^1$

素因数の和:86507

約数の個数: 24

約数和(自身を含む): 931197960

約数和(自身を除く): 441590452

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 5668, 86381, 172762, 345524, 1122953, 2245906, 4491812, 9415529, 18831058, 37662116, 122401877, 244803754, 489607508]

約数ペア:

[(1, 489607508), (2, 244803754), (4, 122401877), (13, 37662116), (26, 18831058), (52, 9415529), (109, 4491812), (218, 2245906), (436, 1122953), (1417, 345524), (2834, 172762), (5668, 86381)]