207782897

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{21157}}^1$

素因数の和:21248

約数の個数: 16

約数和(自身を含む): 251864832

約数和(自身を除く): 44081935

約数列:

[1, 7, 23, 61, 161, 427, 1403, 9821, 21157, 148099, 486611, 1290577, 3406277, 9034039, 29683271, 207782897]

約数ペア:

[(1, 207782897), (7, 29683271), (23, 9034039), (61, 3406277), (161, 1290577), (427, 486611), (1403, 148099), (9821, 21157)]