218218644

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{288649}}^1$

素因数の和:288669

約数の個数: 48

約数和(自身を含む): 646576000

約数和(自身を除く): 428357356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 288649, 577298, 865947, 1154596, 1731894, 2020543, 2597841, 3463788, 4041086, 5195682, 6061629, 7793523, 8082172, 10391364, 12123258, 15587046, 18184887, 24246516, 31174092, 36369774, 54554661, 72739548, 109109322, 218218644]

約数ペア:

[(1, 218218644), (2, 109109322), (3, 72739548), (4, 54554661), (6, 36369774), (7, 31174092), (9, 24246516), (12, 18184887), (14, 15587046), (18, 12123258), (21, 10391364), (27, 8082172), (28, 7793523), (36, 6061629), (42, 5195682), (54, 4041086), (63, 3463788), (84, 2597841), (108, 2020543), (126, 1731894), (189, 1154596), (252, 865947), (378, 577298), (756, 288649)]