65388000005

素因数分解:

$5^1\times {\mathrm{389}}^1\times {\mathrm{619}}^1\times {\mathrm{54311}}^1$

素因数の和:55324

約数の個数: 16

約数和(自身を含む): 78795849600

約数和(自身を除く): 13407849595

約数列:

[1, 5, 389, 619, 1945, 3095, 54311, 240791, 271555, 1203955, 21126979, 33618509, 105634895, 168092545, 13077600001, 65388000005]

約数ペア:

[(1, 65388000005), (5, 13077600001), (389, 168092545), (619, 105634895), (1945, 33618509), (3095, 21126979), (54311, 1203955), (240791, 271555)]