278172904

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{1523}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 561441600

約数和(自身を除く): 283268696

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 158, 289, 316, 578, 632, 1156, 1343, 1523, 2312, 2686, 3046, 5372, 6092, 10744, 12184, 22831, 25891, 45662, 51782, 91324, 103564, 120317, 182648, 207128, 240634, 440147, 481268, 880294, 962536, 1760588, 2045389, 3521176, 4090778, 8181556, 16363112, 34771613, 69543226, 139086452, 278172904]

約数ペア:

[(1, 278172904), (2, 139086452), (4, 69543226), (8, 34771613), (17, 16363112), (34, 8181556), (68, 4090778), (79, 3521176), (136, 2045389), (158, 1760588), (289, 962536), (316, 880294), (578, 481268), (632, 440147), (1156, 240634), (1343, 207128), (1523, 182648), (2312, 120317), (2686, 103564), (3046, 91324), (5372, 51782), (6092, 45662), (10744, 25891), (12184, 22831)]