77121328

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{117563}}^1$

素因数の和:117612

約数の個数: 20

約数和(自身を含む): 153068328

約数和(自身を除く): 75947000

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 117563, 235126, 470252, 940504, 1881008, 4820083, 9640166, 19280332, 38560664, 77121328]

約数ペア:

[(1, 77121328), (2, 38560664), (4, 19280332), (8, 9640166), (16, 4820083), (41, 1881008), (82, 940504), (164, 470252), (328, 235126), (656, 117563)]