222777191

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 285401088

約数和(自身を除く): 62623897

約数列:

[1, 7, 13, 31, 91, 157, 217, 403, 503, 1099, 2041, 2821, 3521, 4867, 6539, 14287, 15593, 34069, 45773, 63271, 78971, 109151, 202709, 442897, 552797, 1026623, 1418963, 2448101, 7186361, 17136707, 31825313, 222777191]

約数ペア:

[(1, 222777191), (7, 31825313), (13, 17136707), (31, 7186361), (91, 2448101), (157, 1418963), (217, 1026623), (403, 552797), (503, 442897), (1099, 202709), (2041, 109151), (2821, 78971), (3521, 63271), (4867, 45773), (6539, 34069), (14287, 15593)]