16688945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{853}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 25251072

約数和(自身を除く): 8562127

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 853, 1505, 2795, 3913, 4265, 5971, 11089, 19565, 29855, 36679, 55445, 77623, 183395, 256753, 388115, 476827, 1283765, 2384135, 3337789, 16688945]

約数ペア:

[(1, 16688945), (5, 3337789), (7, 2384135), (13, 1283765), (35, 476827), (43, 388115), (65, 256753), (91, 183395), (215, 77623), (301, 55445), (455, 36679), (559, 29855), (853, 19565), (1505, 11089), (2795, 5971), (3913, 4265)]