639232402

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1\times {\mathrm{467}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 1028671488

約数和(自身を除く): 389439086

約数列:

[1, 2, 17, 34, 127, 254, 317, 467, 634, 934, 2159, 4318, 5389, 7939, 10778, 15878, 40259, 59309, 80518, 118618, 148039, 296078, 684403, 1008253, 1368806, 2016506, 2516663, 5033326, 18800953, 37601906, 319616201, 639232402]

約数ペア:

[(1, 639232402), (2, 319616201), (17, 37601906), (34, 18800953), (127, 5033326), (254, 2516663), (317, 2016506), (467, 1368806), (634, 1008253), (934, 684403), (2159, 296078), (4318, 148039), (5389, 118618), (7939, 80518), (10778, 59309), (15878, 40259)]