81969914

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{165931}}^1$

素因数の和:165965

約数の個数: 16

約数和(自身を含む): 139382880

約数和(自身を除く): 57412966

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 165931, 331862, 2157103, 3152689, 4314206, 6305378, 40984957, 81969914]

約数ペア:

[(1, 81969914), (2, 40984957), (13, 6305378), (19, 4314206), (26, 3152689), (38, 2157103), (247, 331862), (494, 165931)]