128650064

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{423191}}^1$

素因数の和:423218

約数の個数: 20

約数和(自身を含む): 262379040

約数和(自身を除く): 133728976

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 423191, 846382, 1692764, 3385528, 6771056, 8040629, 16081258, 32162516, 64325032, 128650064]

約数ペア:

[(1, 128650064), (2, 64325032), (4, 32162516), (8, 16081258), (16, 8040629), (19, 6771056), (38, 3385528), (76, 1692764), (152, 846382), (304, 423191)]