66974570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16619}}^1$

素因数の和:16670

約数の個数: 32

約数和(自身を含む): 134023680

約数和(自身を除く): 67049110

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 16619, 33238, 83095, 166190, 216047, 432094, 515189, 1030378, 1080235, 2160470, 2575945, 5151890, 6697457, 13394914, 33487285, 66974570]

約数ペア:

[(1, 66974570), (2, 33487285), (5, 13394914), (10, 6697457), (13, 5151890), (26, 2575945), (31, 2160470), (62, 1080235), (65, 1030378), (130, 515189), (155, 432094), (310, 216047), (403, 166190), (806, 83095), (2015, 33238), (4030, 16619)]