69811885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 99066240

約数和(自身を除く): 29254355

約数列:

[1, 5, 11, 13, 55, 65, 143, 251, 389, 715, 1255, 1945, 2761, 3263, 4279, 5057, 13805, 16315, 21395, 25285, 35893, 55627, 97639, 179465, 278135, 488195, 1074029, 1269307, 5370145, 6346535, 13962377, 69811885]

約数ペア:

[(1, 69811885), (5, 13962377), (11, 6346535), (13, 5370145), (55, 1269307), (65, 1074029), (143, 488195), (251, 278135), (389, 179465), (715, 97639), (1255, 55627), (1945, 35893), (2761, 25285), (3263, 21395), (4279, 16315), (5057, 13805)]