128115536

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1423}}^1$

素因数の和:1779

約数の個数: 40

約数和(自身を含む): 263804544

約数和(自身を除く): 135689008

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 331, 662, 1324, 1423, 2648, 2846, 5296, 5627, 5692, 11254, 11384, 22508, 22768, 24191, 45016, 48382, 90032, 96764, 193528, 387056, 471013, 942026, 1884052, 3768104, 7536208, 8007221, 16014442, 32028884, 64057768, 128115536]

約数ペア:

[(1, 128115536), (2, 64057768), (4, 32028884), (8, 16014442), (16, 8007221), (17, 7536208), (34, 3768104), (68, 1884052), (136, 942026), (272, 471013), (331, 387056), (662, 193528), (1324, 96764), (1423, 90032), (2648, 48382), (2846, 45016), (5296, 24191), (5627, 22768), (5692, 22508), (11254, 11384)]