1980784256

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{1406807}}^1$

素因数の和:1406832

約数の個数: 32

約数和(自身を含む): 4304832480

約数和(自身を除く): 2324048224

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 1406807, 2813614, 5627228, 11254456, 15474877, 22508912, 30949754, 45017824, 61899508, 90035648, 123799016, 180071296, 247598032, 495196064, 990392128, 1980784256]

約数ペア:

[(1, 1980784256), (2, 990392128), (4, 495196064), (8, 247598032), (11, 180071296), (16, 123799016), (22, 90035648), (32, 61899508), (44, 45017824), (64, 30949754), (88, 22508912), (128, 15474877), (176, 11254456), (352, 5627228), (704, 2813614), (1408, 1406807)]