81217376

素因数分解:

$2^5\times {\mathrm{691}}^1\times {\mathrm{3673}}^1$

素因数の和:4374

約数の個数: 24

約数和(自身を含む): 160171704

約数和(自身を除く): 78954328

約数列:

[1, 2, 4, 8, 16, 32, 691, 1382, 2764, 3673, 5528, 7346, 11056, 14692, 22112, 29384, 58768, 117536, 2538043, 5076086, 10152172, 20304344, 40608688, 81217376]

約数ペア:

[(1, 81217376), (2, 40608688), (4, 20304344), (8, 10152172), (16, 5076086), (32, 2538043), (691, 117536), (1382, 58768), (2764, 29384), (3673, 22112), (5528, 14692), (7346, 11056)]