259544090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{64403}}^1$

素因数の和:64454

約数の個数: 32

約数和(自身を含む): 519353856

約数和(自身を除く): 259809766

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 64403, 128806, 322015, 644030, 837239, 1674478, 1996493, 3992986, 4186195, 8372390, 9982465, 19964930, 25954409, 51908818, 129772045, 259544090]

約数ペア:

[(1, 259544090), (2, 129772045), (5, 51908818), (10, 25954409), (13, 19964930), (26, 9982465), (31, 8372390), (62, 4186195), (65, 3992986), (130, 1996493), (155, 1674478), (310, 837239), (403, 644030), (806, 322015), (2015, 128806), (4030, 64403)]