23172989

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 30424320

約数和(自身を除く): 7251331

約数列:

[1, 7, 17, 19, 37, 119, 133, 259, 277, 323, 629, 703, 1939, 2261, 4403, 4709, 4921, 5263, 10249, 11951, 32963, 36841, 71743, 83657, 89471, 174233, 194731, 626297, 1219631, 1363117, 3310427, 23172989]

約数ペア:

[(1, 23172989), (7, 3310427), (17, 1363117), (19, 1219631), (37, 626297), (119, 194731), (133, 174233), (259, 89471), (277, 83657), (323, 71743), (629, 36841), (703, 32963), (1939, 11951), (2261, 10249), (4403, 5263), (4709, 4921)]