1285562212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1\times {\mathrm{823}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 2485131264

約数和(自身を除く): 1199569052

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 271, 524, 542, 823, 1084, 1441, 1646, 2882, 2981, 3292, 5764, 5962, 9053, 11924, 18106, 35501, 36212, 71002, 107813, 142004, 215626, 223033, 390511, 431252, 446066, 781022, 892132, 1185943, 1562044, 2371886, 2453363, 4743772, 4906726, 9813452, 29217323, 58434646, 116869292, 321390553, 642781106, 1285562212]

約数ペア:

[(1, 1285562212), (2, 642781106), (4, 321390553), (11, 116869292), (22, 58434646), (44, 29217323), (131, 9813452), (262, 4906726), (271, 4743772), (524, 2453363), (542, 2371886), (823, 1562044), (1084, 1185943), (1441, 892132), (1646, 781022), (2882, 446066), (2981, 431252), (3292, 390511), (5764, 223033), (5962, 215626), (9053, 142004), (11924, 107813), (18106, 71002), (35501, 36212)]