205667796

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{398581}}^1$

素因数の和:398631

約数の個数: 24

約数和(自身を含む): 491053024

約数和(自身を除く): 285385228

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 398581, 797162, 1195743, 1594324, 2391486, 4782972, 17138983, 34277966, 51416949, 68555932, 102833898, 205667796]

約数ペア:

[(1, 205667796), (2, 102833898), (3, 68555932), (4, 51416949), (6, 34277966), (12, 17138983), (43, 4782972), (86, 2391486), (129, 1594324), (172, 1195743), (258, 797162), (516, 398581)]