338080730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83891}}^1$

素因数の和:83942

約数の個数: 32

約数和(自身を含む): 676505088

約数和(自身を除く): 338424358

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 83891, 167782, 419455, 838910, 1090583, 2181166, 2600621, 5201242, 5452915, 10905830, 13003105, 26006210, 33808073, 67616146, 169040365, 338080730]

約数ペア:

[(1, 338080730), (2, 169040365), (5, 67616146), (10, 33808073), (13, 26006210), (26, 13003105), (31, 10905830), (62, 5452915), (65, 5201242), (130, 2600621), (155, 2181166), (310, 1090583), (403, 838910), (806, 419455), (2015, 167782), (4030, 83891)]