209530372

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{43399}}^1$

素因数の和:43491

約数の個数: 24

約数和(自身を含む): 393724800

約数和(自身を除く): 184194428

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4828, 43399, 86798, 173596, 737783, 1475566, 2951132, 3081329, 6162658, 12325316, 52382593, 104765186, 209530372]

約数ペア:

[(1, 209530372), (2, 104765186), (4, 52382593), (17, 12325316), (34, 6162658), (68, 3081329), (71, 2951132), (142, 1475566), (284, 737783), (1207, 173596), (2414, 86798), (4828, 43399)]