68640628

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{144203}}^1$

素因数の和:144231

約数の個数: 24

約数和(自身を含む): 145357632

約数和(自身を除く): 76717004

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 144203, 288406, 576812, 1009421, 2018842, 2451451, 4037684, 4902902, 9805804, 17160157, 34320314, 68640628]

約数ペア:

[(1, 68640628), (2, 34320314), (4, 17160157), (7, 9805804), (14, 4902902), (17, 4037684), (28, 2451451), (34, 2018842), (68, 1009421), (119, 576812), (238, 288406), (476, 144203)]