67987864

素因数分解:

$2^3\times 7^1\times {\mathrm{389}}^1\times {\mathrm{3121}}^1$

素因数の和:3523

約数の個数: 32

約数和(自身を含む): 146109600

約数和(自身を除く): 78121736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 389, 778, 1556, 2723, 3112, 3121, 5446, 6242, 10892, 12484, 21784, 21847, 24968, 43694, 87388, 174776, 1214069, 2428138, 4856276, 8498483, 9712552, 16996966, 33993932, 67987864]

約数ペア:

[(1, 67987864), (2, 33993932), (4, 16996966), (7, 9712552), (8, 8498483), (14, 4856276), (28, 2428138), (56, 1214069), (389, 174776), (778, 87388), (1556, 43694), (2723, 24968), (3112, 21847), (3121, 21784), (5446, 12484), (6242, 10892)]