12778834385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{5077}}^1$

素因数の和:5657

約数の個数: 32

約数和(自身を含む): 16408846080

約数和(自身を除く): 3630011695

約数列:

[1, 5, 23, 43, 115, 215, 509, 989, 2545, 4945, 5077, 11707, 21887, 25385, 58535, 109435, 116771, 218311, 503401, 583855, 1091555, 2517005, 2584193, 5021153, 12920965, 25105765, 59436439, 111120299, 297182195, 555601495, 2555766877, 12778834385]

約数ペア:

[(1, 12778834385), (5, 2555766877), (23, 555601495), (43, 297182195), (115, 111120299), (215, 59436439), (509, 25105765), (989, 12920965), (2545, 5021153), (4945, 2584193), (5077, 2517005), (11707, 1091555), (21887, 583855), (25385, 503401), (58535, 218311), (109435, 116771)]