81779992

素因数分解:

$2^3\times 7^1\times {\mathrm{281}}^1\times {\mathrm{5197}}^1$

素因数の和:5491

約数の個数: 32

約数和(自身を含む): 175900320

約数和(自身を除く): 94120328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 281, 562, 1124, 1967, 2248, 3934, 5197, 7868, 10394, 15736, 20788, 36379, 41576, 72758, 145516, 291032, 1460357, 2920714, 5841428, 10222499, 11682856, 20444998, 40889996, 81779992]

約数ペア:

[(1, 81779992), (2, 40889996), (4, 20444998), (7, 11682856), (8, 10222499), (14, 5841428), (28, 2920714), (56, 1460357), (281, 291032), (562, 145516), (1124, 72758), (1967, 41576), (2248, 36379), (3934, 20788), (5197, 15736), (7868, 10394)]