208916994

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4127}}^1$

素因数の和:4215

約数の個数: 64

約数和(自身を含む): 499322880

約数和(自身を除く): 290405886

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 59, 66, 78, 118, 143, 177, 286, 354, 429, 649, 767, 858, 1298, 1534, 1947, 2301, 3894, 4127, 4602, 8254, 8437, 12381, 16874, 24762, 25311, 45397, 50622, 53651, 90794, 107302, 136191, 160953, 243493, 272382, 321906, 486986, 590161, 730479, 1180322, 1460958, 1770483, 2678423, 3165409, 3540966, 5356846, 6330818, 8035269, 9496227, 16070538, 18992454, 34819499, 69638998, 104458497, 208916994]

約数ペア:

[(1, 208916994), (2, 104458497), (3, 69638998), (6, 34819499), (11, 18992454), (13, 16070538), (22, 9496227), (26, 8035269), (33, 6330818), (39, 5356846), (59, 3540966), (66, 3165409), (78, 2678423), (118, 1770483), (143, 1460958), (177, 1180322), (286, 730479), (354, 590161), (429, 486986), (649, 321906), (767, 272382), (858, 243493), (1298, 160953), (1534, 136191), (1947, 107302), (2301, 90794), (3894, 53651), (4127, 50622), (4602, 45397), (8254, 25311), (8437, 24762), (12381, 16874)]