256409782784

素因数分解:

$2^9\times {\mathrm{5077}}^1\times {\mathrm{98641}}^1$

素因数の和:103736

約数の個数: 40

約数和(自身を含む): 512424869748

約数和(自身を除く): 256015086964

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 5077, 10154, 20308, 40616, 81232, 98641, 162464, 197282, 324928, 394564, 649856, 789128, 1299712, 1578256, 2599424, 3156512, 6313024, 12626048, 25252096, 50504192, 500800357, 1001600714, 2003201428, 4006402856, 8012805712, 16025611424, 32051222848, 64102445696, 128204891392, 256409782784]

約数ペア:

[(1, 256409782784), (2, 128204891392), (4, 64102445696), (8, 32051222848), (16, 16025611424), (32, 8012805712), (64, 4006402856), (128, 2003201428), (256, 1001600714), (512, 500800357), (5077, 50504192), (10154, 25252096), (20308, 12626048), (40616, 6313024), (81232, 3156512), (98641, 2599424), (162464, 1578256), (197282, 1299712), (324928, 789128), (394564, 649856)]