78698372

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{2749}}^1$

素因数の和:3191

約数の個数: 24

約数和(自身を含む): 146223000

約数和(自身を除く): 67524628

約数列:

[1, 2, 4, 17, 34, 68, 421, 842, 1684, 2749, 5498, 7157, 10996, 14314, 28628, 46733, 93466, 186932, 1157329, 2314658, 4629316, 19674593, 39349186, 78698372]

約数ペア:

[(1, 78698372), (2, 39349186), (4, 19674593), (17, 4629316), (34, 2314658), (68, 1157329), (421, 186932), (842, 93466), (1684, 46733), (2749, 28628), (5498, 14314), (7157, 10996)]