39878266

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{2141}}^1$

素因数の和:2349

約数の個数: 16

約数和(自身を含む): 61175520

約数和(自身を除く): 21297254

約数列:

[1, 2, 67, 134, 139, 278, 2141, 4282, 9313, 18626, 143447, 286894, 297599, 595198, 19939133, 39878266]

約数ペア:

[(1, 39878266), (2, 19939133), (67, 595198), (134, 297599), (139, 286894), (278, 143447), (2141, 18626), (4282, 9313)]