216326974808

素因数分解:

$2^3\times 7^1\times {\mathrm{311}}^1\times {\mathrm{12421163}}^1$

素因数の和:12421487

約数の個数: 32

約数和(自身を含む): 465048380160

約数和(自身を除く): 248721405352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 311, 622, 1244, 2177, 2488, 4354, 8708, 17416, 12421163, 24842326, 49684652, 86948141, 99369304, 173896282, 347792564, 695585128, 3862981693, 7725963386, 15451926772, 27040871851, 30903853544, 54081743702, 108163487404, 216326974808]

約数ペア:

[(1, 216326974808), (2, 108163487404), (4, 54081743702), (7, 30903853544), (8, 27040871851), (14, 15451926772), (28, 7725963386), (56, 3862981693), (311, 695585128), (622, 347792564), (1244, 173896282), (2177, 99369304), (2488, 86948141), (4354, 49684652), (8708, 24842326), (17416, 12421163)]