638544062

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{193381}}^1$

素因数の和:193523

約数の個数: 16

約数和(自身を含む): 1039621632

約数和(自身を除く): 401077570

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 193381, 386762, 2513953, 5027906, 24559387, 49118774, 319272031, 638544062]

約数ペア:

[(1, 638544062), (2, 319272031), (13, 49118774), (26, 24559387), (127, 5027906), (254, 2513953), (1651, 386762), (3302, 193381)]