399288456

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{113177}}^1$

素因数の和:113203

約数の個数: 72

約数和(自身を含む): 1257973470

約数和(自身を除く): 858685014

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 113177, 226354, 339531, 452708, 679062, 792239, 905416, 1018593, 1358124, 1584478, 2037186, 2376717, 2716248, 3168956, 4074372, 4753434, 5545673, 6337912, 7130151, 8148744, 9506868, 11091346, 14260302, 16637019, 19013736, 22182692, 28520604, 33274038, 44365384, 49911057, 57041208, 66548076, 99822114, 133096152, 199644228, 399288456]

約数ペア:

[(1, 399288456), (2, 199644228), (3, 133096152), (4, 99822114), (6, 66548076), (7, 57041208), (8, 49911057), (9, 44365384), (12, 33274038), (14, 28520604), (18, 22182692), (21, 19013736), (24, 16637019), (28, 14260302), (36, 11091346), (42, 9506868), (49, 8148744), (56, 7130151), (63, 6337912), (72, 5545673), (84, 4753434), (98, 4074372), (126, 3168956), (147, 2716248), (168, 2376717), (196, 2037186), (252, 1584478), (294, 1358124), (392, 1018593), (441, 905416), (504, 792239), (588, 679062), (882, 452708), (1176, 339531), (1764, 226354), (3528, 113177)]