1289447965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{23311}}^1$

素因数の和:23389

約数の個数: 32

約数和(自身を含む): 1785885696

約数和(自身を除く): 496437731

約数列:

[1, 5, 13, 23, 37, 65, 115, 185, 299, 481, 851, 1495, 2405, 4255, 11063, 23311, 55315, 116555, 303043, 536153, 862507, 1515215, 2680765, 4312535, 6969989, 11212591, 19837661, 34849945, 56062955, 99188305, 257889593, 1289447965]

約数ペア:

[(1, 1289447965), (5, 257889593), (13, 99188305), (23, 56062955), (37, 34849945), (65, 19837661), (115, 11212591), (185, 6969989), (299, 4312535), (481, 2680765), (851, 1515215), (1495, 862507), (2405, 536153), (4255, 303043), (11063, 116555), (23311, 55315)]