1388754755

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1\times {\mathrm{449}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 1755432000

約数和(自身を除く): 366677245

約数列:

[1, 5, 29, 83, 145, 257, 415, 449, 1285, 2245, 2407, 7453, 12035, 13021, 21331, 37265, 37267, 65105, 106655, 115393, 186335, 576965, 618599, 1080743, 3092995, 3346397, 5403715, 9577619, 16731985, 47888095, 277750951, 1388754755]

約数ペア:

[(1, 1388754755), (5, 277750951), (29, 47888095), (83, 16731985), (145, 9577619), (257, 5403715), (415, 3346397), (449, 3092995), (1285, 1080743), (2245, 618599), (2407, 576965), (7453, 186335), (12035, 115393), (13021, 106655), (21331, 65105), (37265, 37267)]