28318355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 38525760

約数和(自身を除く): 10207405

約数列:

[1, 5, 13, 29, 65, 83, 145, 181, 377, 415, 905, 1079, 1885, 2353, 2407, 5249, 5395, 11765, 12035, 15023, 26245, 31291, 68237, 75115, 156455, 195299, 341185, 435667, 976495, 2178335, 5663671, 28318355]

約数ペア:

[(1, 28318355), (5, 5663671), (13, 2178335), (29, 976495), (65, 435667), (83, 341185), (145, 195299), (181, 156455), (377, 75115), (415, 68237), (905, 31291), (1079, 26245), (1885, 15023), (2353, 12035), (2407, 11765), (5249, 5395)]