22666987

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 26687232

約数和(自身を除く): 4020245

約数列:

[1, 7, 53, 107, 371, 571, 749, 3997, 5671, 30263, 39697, 61097, 211841, 427679, 3238141, 22666987]

約数ペア:

[(1, 22666987), (7, 3238141), (53, 427679), (107, 211841), (371, 61097), (571, 39697), (749, 30263), (3997, 5671)]