68479664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{389089}}^1$

素因数の和:389108

約数の個数: 20

約数和(自身を含む): 144741480

約数和(自身を除く): 76261816

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 389089, 778178, 1556356, 3112712, 4279979, 6225424, 8559958, 17119916, 34239832, 68479664]

約数ペア:

[(1, 68479664), (2, 34239832), (4, 17119916), (8, 8559958), (11, 6225424), (16, 4279979), (22, 3112712), (44, 1556356), (88, 778178), (176, 389089)]