155881609

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1\times {\mathrm{631}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 173845504

約数和(自身を除く): 17963895

約数列:

[1, 13, 31, 403, 613, 631, 7969, 8203, 19003, 19561, 247039, 254293, 386803, 5028439, 11990893, 155881609]

約数ペア:

[(1, 155881609), (13, 11990893), (31, 5028439), (403, 386803), (613, 254293), (631, 247039), (7969, 19561), (8203, 19003)]