289308238

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 454872672

約数和(自身を除く): 165564434

約数列:

[1, 2, 53, 61, 101, 106, 122, 202, 443, 886, 3233, 5353, 6161, 6466, 10706, 12322, 23479, 27023, 44743, 46958, 54046, 89486, 326533, 653066, 1432219, 2371379, 2729323, 2864438, 4742758, 5458646, 144654119, 289308238]

約数ペア:

[(1, 289308238), (2, 144654119), (53, 5458646), (61, 4742758), (101, 2864438), (106, 2729323), (122, 2371379), (202, 1432219), (443, 653066), (886, 326533), (3233, 89486), (5353, 54046), (6161, 46958), (6466, 44743), (10706, 27023), (12322, 23479)]