81678648

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{20879}}^1$

素因数の和:21051

約数の個数: 32

約数和(自身を含む): 205459200

約数和(自身を除く): 123780552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 652, 978, 1304, 1956, 3912, 20879, 41758, 62637, 83516, 125274, 167032, 250548, 501096, 3403277, 6806554, 10209831, 13613108, 20419662, 27226216, 40839324, 81678648]

約数ペア:

[(1, 81678648), (2, 40839324), (3, 27226216), (4, 20419662), (6, 13613108), (8, 10209831), (12, 6806554), (24, 3403277), (163, 501096), (326, 250548), (489, 167032), (652, 125274), (978, 83516), (1304, 62637), (1956, 41758), (3912, 20879)]