81680796

素因数分解:

$2^2\times 3^2\times {\mathrm{491}}^1\times {\mathrm{4621}}^1$

素因数の和:5122

約数の個数: 36

約数和(自身を含む): 206936184

約数和(自身を除く): 125255388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 491, 982, 1473, 1964, 2946, 4419, 4621, 5892, 8838, 9242, 13863, 17676, 18484, 27726, 41589, 55452, 83178, 166356, 2268911, 4537822, 6806733, 9075644, 13613466, 20420199, 27226932, 40840398, 81680796]

約数ペア:

[(1, 81680796), (2, 40840398), (3, 27226932), (4, 20420199), (6, 13613466), (9, 9075644), (12, 6806733), (18, 4537822), (36, 2268911), (491, 166356), (982, 83178), (1473, 55452), (1964, 41589), (2946, 27726), (4419, 18484), (4621, 17676), (5892, 13863), (8838, 9242)]