56981813

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 70975488

約数和(自身を除く): 13993675

約数列:

[1, 7, 31, 37, 47, 151, 217, 259, 329, 1057, 1147, 1457, 1739, 4681, 5587, 7097, 8029, 10199, 12173, 32767, 39109, 49679, 53909, 173197, 220007, 262589, 377363, 1212379, 1540049, 1838123, 8140259, 56981813]

約数ペア:

[(1, 56981813), (7, 8140259), (31, 1838123), (37, 1540049), (47, 1212379), (151, 377363), (217, 262589), (259, 220007), (329, 173197), (1057, 53909), (1147, 49679), (1457, 39109), (1739, 32767), (4681, 12173), (5587, 10199), (7097, 8029)]