51816784

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{78989}}^1$

素因数の和:79038

約数の個数: 20

約数和(自身を含む): 102844980

約数和(自身を除く): 51028196

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 78989, 157978, 315956, 631912, 1263824, 3238549, 6477098, 12954196, 25908392, 51816784]

約数ペア:

[(1, 51816784), (2, 25908392), (4, 12954196), (8, 6477098), (16, 3238549), (41, 1263824), (82, 631912), (164, 315956), (328, 157978), (656, 78989)]