23156287

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 7256513

約数列:

[1, 7, 11, 31, 77, 89, 109, 217, 341, 623, 763, 979, 1199, 2387, 2759, 3379, 6853, 8393, 9701, 19313, 23653, 30349, 37169, 67907, 106711, 212443, 260183, 300731, 746977, 2105117, 3308041, 23156287]

約数ペア:

[(1, 23156287), (7, 3308041), (11, 2105117), (31, 746977), (77, 300731), (89, 260183), (109, 212443), (217, 106711), (341, 67907), (623, 37169), (763, 30349), (979, 23653), (1199, 19313), (2387, 9701), (2759, 8393), (3379, 6853)]