81526528

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{10273}}^1$

素因数の和:10320

約数の個数: 36

約数和(自身を含む): 168000448

約数和(自身を除く): 86473920

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 10273, 20546, 41092, 82184, 164368, 318463, 328736, 636926, 657472, 1273852, 1314944, 2547704, 2629888, 5095408, 10190816, 20381632, 40763264, 81526528]

約数ペア:

[(1, 81526528), (2, 40763264), (4, 20381632), (8, 10190816), (16, 5095408), (31, 2629888), (32, 2547704), (62, 1314944), (64, 1273852), (124, 657472), (128, 636926), (248, 328736), (256, 318463), (496, 164368), (992, 82184), (1984, 41092), (3968, 20546), (7936, 10273)]