256767136

素因数分解:

$2^5\times {\mathrm{89}}^2\times {\mathrm{1013}}^1$

素因数の和:1201

約数の個数: 36

約数和(自身を含む): 511758702

約数和(自身を除く): 254991566

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1013, 1424, 2026, 2848, 4052, 7921, 8104, 15842, 16208, 31684, 32416, 63368, 90157, 126736, 180314, 253472, 360628, 721256, 1442512, 2885024, 8023973, 16047946, 32095892, 64191784, 128383568, 256767136]

約数ペア:

[(1, 256767136), (2, 128383568), (4, 64191784), (8, 32095892), (16, 16047946), (32, 8023973), (89, 2885024), (178, 1442512), (356, 721256), (712, 360628), (1013, 253472), (1424, 180314), (2026, 126736), (2848, 90157), (4052, 63368), (7921, 32416), (8104, 31684), (15842, 16208)]