17978248

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{811}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 35955360

約数和(自身を除く): 17977112

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 163, 326, 652, 811, 1304, 1622, 2771, 3244, 5542, 6488, 11084, 13787, 22168, 27574, 55148, 110296, 132193, 264386, 528772, 1057544, 2247281, 4494562, 8989124, 17978248]

約数ペア:

[(1, 17978248), (2, 8989124), (4, 4494562), (8, 2247281), (17, 1057544), (34, 528772), (68, 264386), (136, 132193), (163, 110296), (326, 55148), (652, 27574), (811, 22168), (1304, 13787), (1622, 11084), (2771, 6488), (3244, 5542)]