263395184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1266323}}^1$

素因数の和:1266344

約数の個数: 20

約数和(自身を含む): 549584616

約数和(自身を除く): 286189432

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1266323, 2532646, 5065292, 10130584, 16462199, 20261168, 32924398, 65848796, 131697592, 263395184]

約数ペア:

[(1, 263395184), (2, 131697592), (4, 65848796), (8, 32924398), (13, 20261168), (16, 16462199), (26, 10130584), (52, 5065292), (104, 2532646), (208, 1266323)]