650534690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{479}}^1$

素因数の和:867

約数の個数: 64

約数和(自身を含む): 1308303360

約数和(自身を除く): 657768670

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 337, 403, 479, 674, 806, 958, 1685, 2015, 2395, 3370, 4030, 4381, 4790, 6227, 8762, 10447, 12454, 14849, 20894, 21905, 29698, 31135, 43810, 52235, 62270, 74245, 104470, 135811, 148490, 161423, 193037, 271622, 322846, 386074, 679055, 807115, 965185, 1358110, 1614230, 1930370, 2098499, 4196998, 5004113, 10008226, 10492495, 20984990, 25020565, 50041130, 65053469, 130106938, 325267345, 650534690]

約数ペア:

[(1, 650534690), (2, 325267345), (5, 130106938), (10, 65053469), (13, 50041130), (26, 25020565), (31, 20984990), (62, 10492495), (65, 10008226), (130, 5004113), (155, 4196998), (310, 2098499), (337, 1930370), (403, 1614230), (479, 1358110), (674, 965185), (806, 807115), (958, 679055), (1685, 386074), (2015, 322846), (2395, 271622), (3370, 193037), (4030, 161423), (4381, 148490), (4790, 135811), (6227, 104470), (8762, 74245), (10447, 62270), (12454, 52235), (14849, 43810), (20894, 31135), (21905, 29698)]