28259693

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{11839}}^1$

素因数の和:11888

約数の個数: 16

約数和(自身を含む): 36372480

約数和(自身を除く): 8112787

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 11839, 82873, 130229, 367009, 911603, 2569063, 4037099, 28259693]

約数ペア:

[(1, 28259693), (7, 4037099), (11, 2569063), (31, 911603), (77, 367009), (217, 130229), (341, 82873), (2387, 11839)]