81247744

素因数分解:

$2^9\times {\mathrm{89}}^1\times {\mathrm{1783}}^1$

素因数の和:1890

約数の個数: 40

約数和(自身を含む): 164252880

約数和(自身を除く): 83005136

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 512, 712, 1424, 1783, 2848, 3566, 5696, 7132, 11392, 14264, 22784, 28528, 45568, 57056, 114112, 158687, 228224, 317374, 456448, 634748, 912896, 1269496, 2538992, 5077984, 10155968, 20311936, 40623872, 81247744]

約数ペア:

[(1, 81247744), (2, 40623872), (4, 20311936), (8, 10155968), (16, 5077984), (32, 2538992), (64, 1269496), (89, 912896), (128, 634748), (178, 456448), (256, 317374), (356, 228224), (512, 158687), (712, 114112), (1424, 57056), (1783, 45568), (2848, 28528), (3566, 22784), (5696, 14264), (7132, 11392)]