128857666

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 225203328

約数和(自身を除く): 96345662

約数列:

[1, 2, 7, 14, 83, 166, 173, 346, 581, 641, 1162, 1211, 1282, 2422, 4487, 8974, 14359, 28718, 53203, 100513, 106406, 110893, 201026, 221786, 372421, 744842, 776251, 1552502, 9204119, 18408238, 64428833, 128857666]

約数ペア:

[(1, 128857666), (2, 64428833), (7, 18408238), (14, 9204119), (83, 1552502), (166, 776251), (173, 744842), (346, 372421), (581, 221786), (641, 201026), (1162, 110893), (1211, 106406), (1282, 100513), (2422, 53203), (4487, 28718), (8974, 14359)]