81501658

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{1019}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 145411200

約数和(自身を除く): 63909542

約数列:

[1, 2, 7, 14, 29, 58, 197, 203, 394, 406, 1019, 1379, 2038, 2758, 5713, 7133, 11426, 14266, 29551, 39991, 59102, 79982, 200743, 206857, 401486, 413714, 1405201, 2810402, 5821547, 11643094, 40750829, 81501658]

約数ペア:

[(1, 81501658), (2, 40750829), (7, 11643094), (14, 5821547), (29, 2810402), (58, 1405201), (197, 413714), (203, 401486), (394, 206857), (406, 200743), (1019, 79982), (1379, 59102), (2038, 39991), (2758, 29551), (5713, 14266), (7133, 11426)]