255291256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 539330400

約数和(自身を除く): 284039144

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 173, 328, 346, 409, 451, 692, 818, 902, 1384, 1636, 1804, 1903, 3272, 3608, 3806, 4499, 7093, 7612, 8998, 14186, 15224, 16769, 17996, 28372, 33538, 35992, 56744, 67076, 70757, 78023, 134152, 141514, 156046, 184459, 283028, 312092, 368918, 566056, 624184, 737836, 778327, 1475672, 1556654, 2901037, 3113308, 5802074, 6226616, 11604148, 23208296, 31911407, 63822814, 127645628, 255291256]

約数ペア:

[(1, 255291256), (2, 127645628), (4, 63822814), (8, 31911407), (11, 23208296), (22, 11604148), (41, 6226616), (44, 5802074), (82, 3113308), (88, 2901037), (164, 1556654), (173, 1475672), (328, 778327), (346, 737836), (409, 624184), (451, 566056), (692, 368918), (818, 312092), (902, 283028), (1384, 184459), (1636, 156046), (1804, 141514), (1903, 134152), (3272, 78023), (3608, 70757), (3806, 67076), (4499, 56744), (7093, 35992), (7612, 33538), (8998, 28372), (14186, 17996), (15224, 16769)]