8781556

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 18522112

約数和(自身を除く): 9740556

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 67, 124, 134, 151, 217, 268, 302, 434, 469, 604, 868, 938, 1057, 1876, 2077, 2114, 4154, 4228, 4681, 8308, 9362, 10117, 14539, 18724, 20234, 29078, 32767, 40468, 58156, 65534, 70819, 131068, 141638, 283276, 313627, 627254, 1254508, 2195389, 4390778, 8781556]

約数ペア:

[(1, 8781556), (2, 4390778), (4, 2195389), (7, 1254508), (14, 627254), (28, 313627), (31, 283276), (62, 141638), (67, 131068), (124, 70819), (134, 65534), (151, 58156), (217, 40468), (268, 32767), (302, 29078), (434, 20234), (469, 18724), (604, 14539), (868, 10117), (938, 9362), (1057, 8308), (1876, 4681), (2077, 4228), (2114, 4154)]