217343728

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1061}}^1$

素因数の和:1166

約数の個数: 80

約数和(自身を含む): 505681920

約数和(自身を除く): 288338192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 59, 62, 112, 118, 124, 217, 236, 248, 413, 434, 472, 496, 826, 868, 944, 1061, 1652, 1736, 1829, 2122, 3304, 3472, 3658, 4244, 6608, 7316, 7427, 8488, 12803, 14632, 14854, 16976, 25606, 29264, 29708, 32891, 51212, 59416, 62599, 65782, 102424, 118832, 125198, 131564, 204848, 230237, 250396, 263128, 438193, 460474, 500792, 526256, 876386, 920948, 1001584, 1752772, 1841896, 1940569, 3505544, 3683792, 3881138, 7011088, 7762276, 13583983, 15524552, 27167966, 31049104, 54335932, 108671864, 217343728]

約数ペア:

[(1, 217343728), (2, 108671864), (4, 54335932), (7, 31049104), (8, 27167966), (14, 15524552), (16, 13583983), (28, 7762276), (31, 7011088), (56, 3881138), (59, 3683792), (62, 3505544), (112, 1940569), (118, 1841896), (124, 1752772), (217, 1001584), (236, 920948), (248, 876386), (413, 526256), (434, 500792), (472, 460474), (496, 438193), (826, 263128), (868, 250396), (944, 230237), (1061, 204848), (1652, 131564), (1736, 125198), (1829, 118832), (2122, 102424), (3304, 65782), (3472, 62599), (3658, 59416), (4244, 51212), (6608, 32891), (7316, 29708), (7427, 29264), (8488, 25606), (12803, 16976), (14632, 14854)]