123664583

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{557}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 151142112

約数和(自身を除く): 27477529

約数列:

[1, 7, 23, 49, 161, 197, 557, 1127, 1379, 3899, 4531, 9653, 12811, 27293, 31717, 89677, 109729, 222019, 627739, 768103, 2523767, 5376721, 17666369, 123664583]

約数ペア:

[(1, 123664583), (7, 17666369), (23, 5376721), (49, 2523767), (161, 768103), (197, 627739), (557, 222019), (1127, 109729), (1379, 89677), (3899, 31717), (4531, 27293), (9653, 12811)]