256475312

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{1279}}^1$

素因数の和:1521

約数の個数: 40

約数和(自身を含む): 506634240

約数和(自身を除く): 250158928

約数列:

[1, 2, 4, 8, 16, 83, 151, 166, 302, 332, 604, 664, 1208, 1279, 1328, 2416, 2558, 5116, 10232, 12533, 20464, 25066, 50132, 100264, 106157, 193129, 200528, 212314, 386258, 424628, 772516, 849256, 1545032, 1698512, 3090064, 16029707, 32059414, 64118828, 128237656, 256475312]

約数ペア:

[(1, 256475312), (2, 128237656), (4, 64118828), (8, 32059414), (16, 16029707), (83, 3090064), (151, 1698512), (166, 1545032), (302, 849256), (332, 772516), (604, 424628), (664, 386258), (1208, 212314), (1279, 200528), (1328, 193129), (2416, 106157), (2558, 100264), (5116, 50132), (10232, 25066), (12533, 20464)]