64851215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{6977}}^1$

素因数の和:7019

約数の個数: 24

約数和(自身を含む): 91942128

約数和(自身を除く): 27090913

約数列:

[1, 5, 11, 13, 55, 65, 143, 169, 715, 845, 1859, 6977, 9295, 34885, 76747, 90701, 383735, 453505, 997711, 1179113, 4988555, 5895565, 12970243, 64851215]

約数ペア:

[(1, 64851215), (5, 12970243), (11, 5895565), (13, 4988555), (55, 1179113), (65, 997711), (143, 453505), (169, 383735), (715, 90701), (845, 76747), (1859, 34885), (6977, 9295)]