642044627

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{647}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 806215680

約数和(自身を除く): 164171053

約数列:

[1, 7, 17, 31, 119, 217, 269, 527, 647, 1883, 3689, 4529, 4573, 8339, 10999, 20057, 32011, 58373, 76993, 140399, 141763, 174043, 340969, 992341, 1218301, 2386783, 2958731, 5395333, 20711117, 37767331, 91720661, 642044627]

約数ペア:

[(1, 642044627), (7, 91720661), (17, 37767331), (31, 20711117), (119, 5395333), (217, 2958731), (269, 2386783), (527, 1218301), (647, 992341), (1883, 340969), (3689, 174043), (4529, 141763), (4573, 140399), (8339, 76993), (10999, 58373), (20057, 32011)]