131678928

素因数分解:

$2^4\times 3^2\times {\mathrm{439}}^1\times {\mathrm{2083}}^1$

素因数の和:2536

約数の個数: 60

約数和(自身を含む): 369534880

約数和(自身を除く): 237855952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 439, 878, 1317, 1756, 2083, 2634, 3512, 3951, 4166, 5268, 6249, 7024, 7902, 8332, 10536, 12498, 15804, 16664, 18747, 21072, 24996, 31608, 33328, 37494, 49992, 63216, 74988, 99984, 149976, 299952, 914437, 1828874, 2743311, 3657748, 5486622, 7315496, 8229933, 10973244, 14630992, 16459866, 21946488, 32919732, 43892976, 65839464, 131678928]

約数ペア:

[(1, 131678928), (2, 65839464), (3, 43892976), (4, 32919732), (6, 21946488), (8, 16459866), (9, 14630992), (12, 10973244), (16, 8229933), (18, 7315496), (24, 5486622), (36, 3657748), (48, 2743311), (72, 1828874), (144, 914437), (439, 299952), (878, 149976), (1317, 99984), (1756, 74988), (2083, 63216), (2634, 49992), (3512, 37494), (3951, 33328), (4166, 31608), (5268, 24996), (6249, 21072), (7024, 18747), (7902, 16664), (8332, 15804), (10536, 12498)]