28625090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7103}}^1$

素因数の和:7154

約数の個数: 32

約数和(自身を含む): 57286656

約数和(自身を除く): 28661566

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7103, 14206, 35515, 71030, 92339, 184678, 220193, 440386, 461695, 923390, 1100965, 2201930, 2862509, 5725018, 14312545, 28625090]

約数ペア:

[(1, 28625090), (2, 14312545), (5, 5725018), (10, 2862509), (13, 2201930), (26, 1100965), (31, 923390), (62, 461695), (65, 440386), (130, 220193), (155, 184678), (310, 92339), (403, 71030), (806, 35515), (2015, 14206), (4030, 7103)]