1216523

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 24

約数和(自身を含む): 1611504

約数和(自身を除く): 394981

約数列:

[1, 7, 11, 37, 49, 61, 77, 259, 407, 427, 539, 671, 1813, 2257, 2849, 2989, 4697, 15799, 19943, 24827, 32879, 110593, 173789, 1216523]

約数ペア:

[(1, 1216523), (7, 173789), (11, 110593), (37, 32879), (49, 24827), (61, 19943), (77, 15799), (259, 4697), (407, 2989), (427, 2849), (539, 2257), (671, 1813)]