25760427

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 44323200

約数和(自身を除く): 18562773

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 89, 147, 179, 231, 267, 537, 539, 623, 979, 1253, 1617, 1869, 1969, 2937, 3759, 4361, 5907, 6853, 8771, 13083, 13783, 15931, 20559, 26313, 41349, 47793, 47971, 96481, 111517, 143913, 175241, 289443, 334551, 525723, 780619, 1226687, 2341857, 3680061, 8586809, 25760427]

約数ペア:

[(1, 25760427), (3, 8586809), (7, 3680061), (11, 2341857), (21, 1226687), (33, 780619), (49, 525723), (77, 334551), (89, 289443), (147, 175241), (179, 143913), (231, 111517), (267, 96481), (537, 47971), (539, 47793), (623, 41349), (979, 26313), (1253, 20559), (1617, 15931), (1869, 13783), (1969, 13083), (2937, 8771), (3759, 6853), (4361, 5907)]