278313208

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{419}}^1\times {\mathrm{1051}}^1$

素因数の和:1555

約数の個数: 32

約数和(自身を含む): 530208000

約数和(自身を除く): 251894792

約数列:

[1, 2, 4, 8, 79, 158, 316, 419, 632, 838, 1051, 1676, 2102, 3352, 4204, 8408, 33101, 66202, 83029, 132404, 166058, 264808, 332116, 440369, 664232, 880738, 1761476, 3522952, 34789151, 69578302, 139156604, 278313208]

約数ペア:

[(1, 278313208), (2, 139156604), (4, 69578302), (8, 34789151), (79, 3522952), (158, 1761476), (316, 880738), (419, 664232), (632, 440369), (838, 332116), (1051, 264808), (1676, 166058), (2102, 132404), (3352, 83029), (4204, 66202), (8408, 33101)]