1281056972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{1783}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 2481915072

約数和(自身を除く): 1200858100

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 337, 533, 674, 1066, 1348, 1783, 2132, 3566, 4381, 7132, 8762, 13817, 17524, 23179, 27634, 46358, 55268, 73103, 92716, 146206, 179621, 292412, 359242, 600871, 718484, 950339, 1201742, 1900678, 2403484, 3801356, 7811323, 15622646, 24635711, 31245292, 49271422, 98542844, 320264243, 640528486, 1281056972]

約数ペア:

[(1, 1281056972), (2, 640528486), (4, 320264243), (13, 98542844), (26, 49271422), (41, 31245292), (52, 24635711), (82, 15622646), (164, 7811323), (337, 3801356), (533, 2403484), (674, 1900678), (1066, 1201742), (1348, 950339), (1783, 718484), (2132, 600871), (3566, 359242), (4381, 292412), (7132, 179621), (8762, 146206), (13817, 92716), (17524, 73103), (23179, 55268), (27634, 46358)]