81394908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1697}}^1$

素因数の和:2282

約数の個数: 48

約数和(自身を含む): 217561344

約数和(自身を除く): 136166436

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 571, 1142, 1697, 1713, 2284, 3394, 3426, 3997, 5091, 6788, 6852, 7994, 10182, 11879, 11991, 15988, 20364, 23758, 23982, 35637, 47516, 47964, 71274, 142548, 968987, 1937974, 2906961, 3875948, 5813922, 6782909, 11627844, 13565818, 20348727, 27131636, 40697454, 81394908]

約数ペア:

[(1, 81394908), (2, 40697454), (3, 27131636), (4, 20348727), (6, 13565818), (7, 11627844), (12, 6782909), (14, 5813922), (21, 3875948), (28, 2906961), (42, 1937974), (84, 968987), (571, 142548), (1142, 71274), (1697, 47964), (1713, 47516), (2284, 35637), (3394, 23982), (3426, 23758), (3997, 20364), (5091, 15988), (6788, 11991), (6852, 11879), (7994, 10182)]