1900642289

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{1607}}^1$

素因数の和:1985

約数の個数: 32

約数和(自身を含む): 2405362176

約数和(自身を除く): 504719887

約数列:

[1, 7, 13, 41, 91, 287, 317, 533, 1607, 2219, 3731, 4121, 11249, 12997, 20891, 28847, 65887, 90979, 146237, 168961, 461209, 509419, 856531, 1182727, 3565933, 5995717, 6622447, 20886179, 46357129, 146203253, 271520327, 1900642289]

約数ペア:

[(1, 1900642289), (7, 271520327), (13, 146203253), (41, 46357129), (91, 20886179), (287, 6622447), (317, 5995717), (533, 3565933), (1607, 1182727), (2219, 856531), (3731, 509419), (4121, 461209), (11249, 168961), (12997, 146237), (20891, 90979), (28847, 65887)]