213478426

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{2347}}^1$

素因数の和:2518

約数の個数: 32

約数和(自身を含む): 375304320

約数和(自身を除く): 161825894

約数列:

[1, 2, 7, 14, 73, 89, 146, 178, 511, 623, 1022, 1246, 2347, 4694, 6497, 12994, 16429, 32858, 45479, 90958, 171331, 208883, 342662, 417766, 1199317, 1462181, 2398634, 2924362, 15248459, 30496918, 106739213, 213478426]

約数ペア:

[(1, 213478426), (2, 106739213), (7, 30496918), (14, 15248459), (73, 2924362), (89, 2398634), (146, 1462181), (178, 1199317), (511, 417766), (623, 342662), (1022, 208883), (1246, 171331), (2347, 90958), (4694, 45479), (6497, 32858), (12994, 16429)]