1261808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{4639}}^1$

素因数の和:4664

約数の個数: 20

約数和(自身を含む): 2589120

約数和(自身を除く): 1327312

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 4639, 9278, 18556, 37112, 74224, 78863, 157726, 315452, 630904, 1261808]

約数ペア:

[(1, 1261808), (2, 630904), (4, 315452), (8, 157726), (16, 78863), (17, 74224), (34, 37112), (68, 18556), (136, 9278), (272, 4639)]