211523788

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^2\times {\mathrm{1123}}^1$

素因数の和:1203

約数の個数: 54

約数和(自身を含む): 445336668

約数和(自身を除く): 233812880

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 961, 1123, 1519, 1922, 2246, 3038, 3844, 4492, 6076, 6727, 7861, 13454, 15722, 26908, 31444, 34813, 47089, 55027, 69626, 94178, 110054, 139252, 188356, 220108, 243691, 487382, 974764, 1079203, 1705837, 2158406, 3411674, 4316812, 6823348, 7554421, 15108842, 30217684, 52880947, 105761894, 211523788]

約数ペア:

[(1, 211523788), (2, 105761894), (4, 52880947), (7, 30217684), (14, 15108842), (28, 7554421), (31, 6823348), (49, 4316812), (62, 3411674), (98, 2158406), (124, 1705837), (196, 1079203), (217, 974764), (434, 487382), (868, 243691), (961, 220108), (1123, 188356), (1519, 139252), (1922, 110054), (2246, 94178), (3038, 69626), (3844, 55027), (4492, 47089), (6076, 34813), (6727, 31444), (7861, 26908), (13454, 15722)]