61770005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{12619}}^1$

素因数の和:12724

約数の個数: 16

約数和(自身を含む): 81777600

約数和(自身を除く): 20007595

約数列:

[1, 5, 11, 55, 89, 445, 979, 4895, 12619, 63095, 138809, 694045, 1123091, 5615455, 12354001, 61770005]

約数ペア:

[(1, 61770005), (5, 12354001), (11, 5615455), (55, 1123091), (89, 694045), (445, 138809), (979, 63095), (4895, 12619)]