211521704

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{168409}}^1$

素因数の和:168572

約数の個数: 16

約数和(自身を含む): 399131700

約数和(自身を除く): 187609996

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 168409, 336818, 673636, 1347272, 26440213, 52880426, 105760852, 211521704]

約数ペア:

[(1, 211521704), (2, 105760852), (4, 52880426), (8, 26440213), (157, 1347272), (314, 673636), (628, 336818), (1256, 168409)]