72017855

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1907}}^1$

素因数の和:2015

約数の個数: 32

約数和(自身を含む): 107702784

約数和(自身を除く): 35684929

約数列:

[1, 5, 7, 13, 35, 65, 83, 91, 415, 455, 581, 1079, 1907, 2905, 5395, 7553, 9535, 13349, 24791, 37765, 66745, 123955, 158281, 173537, 791405, 867685, 1107967, 2057653, 5539835, 10288265, 14403571, 72017855]

約数ペア:

[(1, 72017855), (5, 14403571), (7, 10288265), (13, 5539835), (35, 2057653), (65, 1107967), (83, 867685), (91, 791405), (415, 173537), (455, 158281), (581, 123955), (1079, 66745), (1907, 37765), (2905, 24791), (5395, 13349), (7553, 9535)]