129273328

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{197063}}^1$

素因数の和:197112

約数の個数: 20

約数和(自身を含む): 256577328

約数和(自身を除く): 127304000

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 197063, 394126, 788252, 1576504, 3153008, 8079583, 16159166, 32318332, 64636664, 129273328]

約数ペア:

[(1, 129273328), (2, 64636664), (4, 32318332), (8, 16159166), (16, 8079583), (41, 3153008), (82, 1576504), (164, 788252), (328, 394126), (656, 197063)]