28415716

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1723}}^1$

素因数の和:1784

約数の個数: 48

約数和(自身を含む): 61788160

約数和(自身を除く): 33372444

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 1723, 2356, 3446, 4123, 6892, 8246, 12061, 16492, 24122, 32737, 48244, 53413, 65474, 106826, 130948, 213652, 229159, 373891, 458318, 747782, 916636, 1014847, 1495564, 2029694, 4059388, 7103929, 14207858, 28415716]

約数ペア:

[(1, 28415716), (2, 14207858), (4, 7103929), (7, 4059388), (14, 2029694), (19, 1495564), (28, 1014847), (31, 916636), (38, 747782), (62, 458318), (76, 373891), (124, 229159), (133, 213652), (217, 130948), (266, 106826), (434, 65474), (532, 53413), (589, 48244), (868, 32737), (1178, 24122), (1723, 16492), (2356, 12061), (3446, 8246), (4123, 6892)]