56665721

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{3229}}^1$

素因数の和:3368

約数の個数: 16

約数和(自身を含む): 68217600

約数和(自身を除く): 11551879

約数列:

[1, 7, 23, 109, 161, 763, 2507, 3229, 17549, 22603, 74267, 351961, 519869, 2463727, 8095103, 56665721]

約数ペア:

[(1, 56665721), (7, 8095103), (23, 2463727), (109, 519869), (161, 351961), (763, 74267), (2507, 22603), (3229, 17549)]