68231930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16931}}^1$

素因数の和:16982

約数の個数: 32

約数和(自身を含む): 136539648

約数和(自身を除く): 68307718

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 16931, 33862, 84655, 169310, 220103, 440206, 524861, 1049722, 1100515, 2201030, 2624305, 5248610, 6823193, 13646386, 34115965, 68231930]

約数ペア:

[(1, 68231930), (2, 34115965), (5, 13646386), (10, 6823193), (13, 5248610), (26, 2624305), (31, 2201030), (62, 1100515), (65, 1049722), (130, 524861), (155, 440206), (310, 220103), (403, 169310), (806, 84655), (2015, 33862), (4030, 16931)]