17980327729

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{1663}}^1$

素因数の和:1970

約数の個数: 64

約数和(自身を含む): 24354570240

約数和(自身を除く): 6374242511

約数列:

[1, 7, 13, 17, 29, 91, 119, 203, 221, 241, 377, 493, 1547, 1663, 1687, 2639, 3133, 3451, 4097, 6409, 6989, 11641, 21619, 21931, 28271, 28679, 44863, 48227, 48923, 53261, 90857, 118813, 151333, 197897, 337589, 367523, 372827, 400783, 626951, 635999, 819859, 831691, 1544569, 2572661, 2805481, 4388657, 5210179, 5739013, 6813311, 10658167, 10811983, 11622707, 36471253, 47693177, 74607169, 81358949, 88573043, 151095191, 197586019, 620011301, 1057666337, 1383102133, 2568618247, 17980327729]

約数ペア:

[(1, 17980327729), (7, 2568618247), (13, 1383102133), (17, 1057666337), (29, 620011301), (91, 197586019), (119, 151095191), (203, 88573043), (221, 81358949), (241, 74607169), (377, 47693177), (493, 36471253), (1547, 11622707), (1663, 10811983), (1687, 10658167), (2639, 6813311), (3133, 5739013), (3451, 5210179), (4097, 4388657), (6409, 2805481), (6989, 2572661), (11641, 1544569), (21619, 831691), (21931, 819859), (28271, 635999), (28679, 626951), (44863, 400783), (48227, 372827), (48923, 367523), (53261, 337589), (90857, 197897), (118813, 151333)]