130947728

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{190331}}^1$

素因数の和:190382

約数の個数: 20

約数和(自身を含む): 259612848

約数和(自身を除く): 128665120

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 190331, 380662, 761324, 1522648, 3045296, 8184233, 16368466, 32736932, 65473864, 130947728]

約数ペア:

[(1, 130947728), (2, 65473864), (4, 32736932), (8, 16368466), (16, 8184233), (43, 3045296), (86, 1522648), (172, 761324), (344, 380662), (688, 190331)]