201996404414

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1\times {\mathrm{20759}}^1$

素因数の和:21177

約数の個数: 64

約数和(自身を含む): 368418585600

約数和(自身を除く): 166422181186

約数列:

[1, 2, 7, 14, 19, 38, 133, 157, 233, 266, 314, 466, 1099, 1631, 2198, 2983, 3262, 4427, 5966, 8854, 20759, 20881, 30989, 36581, 41518, 41762, 61978, 73162, 145313, 256067, 290626, 394421, 512134, 695039, 788842, 1390078, 2760947, 3259163, 4836847, 4865273, 5521894, 6518326, 9673694, 9730546, 22814141, 33857929, 45628282, 61924097, 67715858, 91900093, 123848194, 183800186, 433468679, 643300651, 759384979, 866937358, 1286601302, 1518769958, 5315694853, 10631389706, 14428314601, 28856629202, 100998202207, 201996404414]

約数ペア:

[(1, 201996404414), (2, 100998202207), (7, 28856629202), (14, 14428314601), (19, 10631389706), (38, 5315694853), (133, 1518769958), (157, 1286601302), (233, 866937358), (266, 759384979), (314, 643300651), (466, 433468679), (1099, 183800186), (1631, 123848194), (2198, 91900093), (2983, 67715858), (3262, 61924097), (4427, 45628282), (5966, 33857929), (8854, 22814141), (20759, 9730546), (20881, 9673694), (30989, 6518326), (36581, 5521894), (41518, 4865273), (41762, 4836847), (61978, 3259163), (73162, 2760947), (145313, 1390078), (256067, 788842), (290626, 695039), (394421, 512134)]