128530736

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{195931}}^1$

素因数の和:195980

約数の個数: 20

約数和(自身を含む): 255103464

約数和(自身を除く): 126572728

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 195931, 391862, 783724, 1567448, 3134896, 8033171, 16066342, 32132684, 64265368, 128530736]

約数ペア:

[(1, 128530736), (2, 64265368), (4, 32132684), (8, 16066342), (16, 8033171), (41, 3134896), (82, 1567448), (164, 783724), (328, 391862), (656, 195931)]