1780987643

素因数分解:

${\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 2060976960

約数和(自身を除く): 279989317

約数列:

[1, 17, 29, 41, 71, 73, 289, 493, 697, 1189, 1207, 1241, 2059, 2117, 2911, 2993, 5183, 8381, 11849, 20213, 20519, 21097, 35003, 35989, 49487, 50881, 84419, 86797, 88111, 150307, 212503, 343621, 595051, 611813, 841279, 864977, 1435123, 1475549, 1497887, 2555219, 3612551, 6162587, 24397091, 25084333, 43438723, 61413367, 104763979, 1780987643]

約数ペア:

[(1, 1780987643), (17, 104763979), (29, 61413367), (41, 43438723), (71, 25084333), (73, 24397091), (289, 6162587), (493, 3612551), (697, 2555219), (1189, 1497887), (1207, 1475549), (1241, 1435123), (2059, 864977), (2117, 841279), (2911, 611813), (2993, 595051), (5183, 343621), (8381, 212503), (11849, 150307), (20213, 88111), (20519, 86797), (21097, 84419), (35003, 50881), (35989, 49487)]