8354255

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 13061664

約数和(自身を除く): 4707409

約数列:

[1, 5, 7, 13, 35, 43, 49, 61, 65, 91, 215, 245, 301, 305, 427, 455, 559, 637, 793, 1505, 2107, 2135, 2623, 2795, 2989, 3185, 3913, 3965, 5551, 10535, 13115, 14945, 18361, 19565, 27391, 27755, 34099, 38857, 91805, 128527, 136955, 170495, 194285, 238693, 642635, 1193465, 1670851, 8354255]

約数ペア:

[(1, 8354255), (5, 1670851), (7, 1193465), (13, 642635), (35, 238693), (43, 194285), (49, 170495), (61, 136955), (65, 128527), (91, 91805), (215, 38857), (245, 34099), (301, 27755), (305, 27391), (427, 19565), (455, 18361), (559, 14945), (637, 13115), (793, 10535), (1505, 5551), (2107, 3965), (2135, 3913), (2623, 3185), (2795, 2989)]