1688570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 3386880

約数和(自身を除く): 1698310

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 419, 806, 838, 2015, 2095, 4030, 4190, 5447, 10894, 12989, 25978, 27235, 54470, 64945, 129890, 168857, 337714, 844285, 1688570]

約数ペア:

[(1, 1688570), (2, 844285), (5, 337714), (10, 168857), (13, 129890), (26, 64945), (31, 54470), (62, 27235), (65, 25978), (130, 12989), (155, 10894), (310, 5447), (403, 4190), (419, 4030), (806, 2095), (838, 2015)]