2017651895

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1009}}^1$

素因数の和:1168

約数の個数: 64

約数和(自身を含む): 3040665600

約数和(自身を除く): 1023013705

約数列:

[1, 5, 7, 19, 31, 35, 95, 97, 133, 155, 217, 485, 589, 665, 679, 1009, 1085, 1843, 2945, 3007, 3395, 4123, 5045, 7063, 9215, 12901, 15035, 19171, 20615, 21049, 31279, 35315, 57133, 64505, 95855, 97873, 105245, 134197, 156395, 218953, 285665, 399931, 489365, 594301, 670985, 685111, 1094765, 1859587, 1999655, 2971505, 3034063, 3425555, 4160107, 9297935, 13017109, 15170315, 20800535, 21238441, 57647197, 65085545, 106192205, 288235985, 403530379, 2017651895]

約数ペア:

[(1, 2017651895), (5, 403530379), (7, 288235985), (19, 106192205), (31, 65085545), (35, 57647197), (95, 21238441), (97, 20800535), (133, 15170315), (155, 13017109), (217, 9297935), (485, 4160107), (589, 3425555), (665, 3034063), (679, 2971505), (1009, 1999655), (1085, 1859587), (1843, 1094765), (2945, 685111), (3007, 670985), (3395, 594301), (4123, 489365), (5045, 399931), (7063, 285665), (9215, 218953), (12901, 156395), (15035, 134197), (19171, 105245), (20615, 97873), (21049, 95855), (31279, 64505), (35315, 57133)]