638465119988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{421}}^1\times {\mathrm{71711}}^1$

素因数の和:72464

約数の個数: 48

約数和(自身を含む): 1189677984768

約数和(自身を除く): 551212864780

約数列:

[1, 2, 4, 17, 34, 68, 311, 421, 622, 842, 1244, 1684, 5287, 7157, 10574, 14314, 21148, 28628, 71711, 130931, 143422, 261862, 286844, 523724, 1219087, 2225827, 2438174, 4451654, 4876348, 8903308, 22302121, 30190331, 44604242, 60380662, 89208484, 120761324, 379136057, 513235627, 758272114, 1026471254, 1516544228, 2052942508, 9389192941, 18778385882, 37556771764, 159616279997, 319232559994, 638465119988]

約数ペア:

[(1, 638465119988), (2, 319232559994), (4, 159616279997), (17, 37556771764), (34, 18778385882), (68, 9389192941), (311, 2052942508), (421, 1516544228), (622, 1026471254), (842, 758272114), (1244, 513235627), (1684, 379136057), (5287, 120761324), (7157, 89208484), (10574, 60380662), (14314, 44604242), (21148, 30190331), (28628, 22302121), (71711, 8903308), (130931, 4876348), (143422, 4451654), (261862, 2438174), (286844, 2225827), (523724, 1219087)]