81380672

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{13109}}^1$

素因数の和:13218

約数の個数: 28

約数和(自身を含む): 163167060

約数和(自身を除く): 81786388

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 194, 388, 776, 1552, 3104, 6208, 13109, 26218, 52436, 104872, 209744, 419488, 838976, 1271573, 2543146, 5086292, 10172584, 20345168, 40690336, 81380672]

約数ペア:

[(1, 81380672), (2, 40690336), (4, 20345168), (8, 10172584), (16, 5086292), (32, 2543146), (64, 1271573), (97, 838976), (194, 419488), (388, 209744), (776, 104872), (1552, 52436), (3104, 26218), (6208, 13109)]