219820302

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{55259}}^1$

素因数の和:55297

約数の個数: 48

約数和(自身を含む): 543095280

約数和(自身を除く): 323274978

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 55259, 110518, 165777, 331554, 497331, 718367, 939403, 994662, 1436734, 1878806, 2155101, 2818209, 4310202, 5636418, 6465303, 8454627, 12212239, 12930606, 16909254, 24424478, 36636717, 73273434, 109910151, 219820302]

約数ペア:

[(1, 219820302), (2, 109910151), (3, 73273434), (6, 36636717), (9, 24424478), (13, 16909254), (17, 12930606), (18, 12212239), (26, 8454627), (34, 6465303), (39, 5636418), (51, 4310202), (78, 2818209), (102, 2155101), (117, 1878806), (153, 1436734), (221, 994662), (234, 939403), (306, 718367), (442, 497331), (663, 331554), (1326, 165777), (1989, 110518), (3978, 55259)]