78149296

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{80071}}^1$

素因数の和:80140

約数の個数: 20

約数和(自身を含む): 153898384

約数和(自身を除く): 75749088

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 80071, 160142, 320284, 640568, 1281136, 4884331, 9768662, 19537324, 39074648, 78149296]

約数ペア:

[(1, 78149296), (2, 39074648), (4, 19537324), (8, 9768662), (16, 4884331), (61, 1281136), (122, 640568), (244, 320284), (488, 160142), (976, 80071)]