138705828

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{70913}}^1$

素因数の和:71083

約数の個数: 24

約数和(自身を含む): 325637088

約数和(自身を除く): 186931260

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 70913, 141826, 212739, 283652, 425478, 850956, 11558819, 23117638, 34676457, 46235276, 69352914, 138705828]

約数ペア:

[(1, 138705828), (2, 69352914), (3, 46235276), (4, 34676457), (6, 23117638), (12, 11558819), (163, 850956), (326, 425478), (489, 283652), (652, 212739), (978, 141826), (1956, 70913)]