213422724

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^3\times {\mathrm{199}}^1$

素因数の和:302

約数の個数: 72

約数和(自身を含む): 560268800

約数和(自身を除く): 346846076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 199, 279, 372, 398, 558, 597, 796, 961, 1116, 1194, 1791, 1922, 2388, 2883, 3582, 3844, 5766, 6169, 7164, 8649, 11532, 12338, 17298, 18507, 24676, 29791, 34596, 37014, 55521, 59582, 74028, 89373, 111042, 119164, 178746, 191239, 222084, 268119, 357492, 382478, 536238, 573717, 764956, 1072476, 1147434, 1721151, 2294868, 3442302, 5928409, 6884604, 11856818, 17785227, 23713636, 35570454, 53355681, 71140908, 106711362, 213422724]

約数ペア:

[(1, 213422724), (2, 106711362), (3, 71140908), (4, 53355681), (6, 35570454), (9, 23713636), (12, 17785227), (18, 11856818), (31, 6884604), (36, 5928409), (62, 3442302), (93, 2294868), (124, 1721151), (186, 1147434), (199, 1072476), (279, 764956), (372, 573717), (398, 536238), (558, 382478), (597, 357492), (796, 268119), (961, 222084), (1116, 191239), (1194, 178746), (1791, 119164), (1922, 111042), (2388, 89373), (2883, 74028), (3582, 59582), (3844, 55521), (5766, 37014), (6169, 34596), (7164, 29791), (8649, 24676), (11532, 18507), (12338, 17298)]