142779455

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2777}}^1$

素因数の和:2915

約数の個数: 32

約数和(自身を含む): 212817024

約数和(自身を除く): 70037569

約数列:

[1, 5, 7, 13, 35, 65, 91, 113, 455, 565, 791, 1469, 2777, 3955, 7345, 10283, 13885, 19439, 36101, 51415, 97195, 180505, 252707, 313801, 1263535, 1569005, 2196607, 4079413, 10983035, 20397065, 28555891, 142779455]

約数ペア:

[(1, 142779455), (5, 28555891), (7, 20397065), (13, 10983035), (35, 4079413), (65, 2196607), (91, 1569005), (113, 1263535), (455, 313801), (565, 252707), (791, 180505), (1469, 97195), (2777, 51415), (3955, 36101), (7345, 19439), (10283, 13885)]