320427976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{17257}}^1$

素因数の和:17485

約数の個数: 32

約数和(自身を含む): 658565280

約数和(自身を除く): 338137304

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 211, 422, 844, 1688, 2321, 4642, 9284, 17257, 18568, 34514, 69028, 138056, 189827, 379654, 759308, 1518616, 3641227, 7282454, 14564908, 29129816, 40053497, 80106994, 160213988, 320427976]

約数ペア:

[(1, 320427976), (2, 160213988), (4, 80106994), (8, 40053497), (11, 29129816), (22, 14564908), (44, 7282454), (88, 3641227), (211, 1518616), (422, 759308), (844, 379654), (1688, 189827), (2321, 138056), (4642, 69028), (9284, 34514), (17257, 18568)]