216991692

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1531}}^1$

素因数の和:1699

約数の個数: 72

約数和(自身を含む): 571031552

約数和(自身を除く): 354039860

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 127, 186, 254, 279, 372, 381, 508, 558, 762, 1116, 1143, 1524, 1531, 2286, 3062, 3937, 4572, 4593, 6124, 7874, 9186, 11811, 13779, 15748, 18372, 23622, 27558, 35433, 47244, 47461, 55116, 70866, 94922, 141732, 142383, 189844, 194437, 284766, 388874, 427149, 569532, 583311, 777748, 854298, 1166622, 1708596, 1749933, 2333244, 3499866, 6027547, 6999732, 12055094, 18082641, 24110188, 36165282, 54247923, 72330564, 108495846, 216991692]

約数ペア:

[(1, 216991692), (2, 108495846), (3, 72330564), (4, 54247923), (6, 36165282), (9, 24110188), (12, 18082641), (18, 12055094), (31, 6999732), (36, 6027547), (62, 3499866), (93, 2333244), (124, 1749933), (127, 1708596), (186, 1166622), (254, 854298), (279, 777748), (372, 583311), (381, 569532), (508, 427149), (558, 388874), (762, 284766), (1116, 194437), (1143, 189844), (1524, 142383), (1531, 141732), (2286, 94922), (3062, 70866), (3937, 55116), (4572, 47461), (4593, 47244), (6124, 35433), (7874, 27558), (9186, 23622), (11811, 18372), (13779, 15748)]