2172401

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 2747520

約数和(自身を除く): 575119

約数列:

[1, 7, 11, 77, 89, 317, 623, 979, 2219, 3487, 6853, 24409, 28213, 197491, 310343, 2172401]

約数ペア:

[(1, 2172401), (7, 310343), (11, 197491), (77, 28213), (89, 24409), (317, 6853), (623, 3487), (979, 2219)]