128305688

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{15377}}^1$

素因数の和:15539

約数の個数: 32

約数和(自身を含む): 276804000

約数和(自身を除く): 148498312

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 4172, 8344, 15377, 30754, 61508, 107639, 123016, 215278, 430556, 861112, 2291173, 4582346, 9164692, 16038211, 18329384, 32076422, 64152844, 128305688]

約数ペア:

[(1, 128305688), (2, 64152844), (4, 32076422), (7, 18329384), (8, 16038211), (14, 9164692), (28, 4582346), (56, 2291173), (149, 861112), (298, 430556), (596, 215278), (1043, 123016), (1192, 107639), (2086, 61508), (4172, 30754), (8344, 15377)]