256543271452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1045903}}^1$

素因数の和:1046062

約数の個数: 48

約数和(自身を含む): 498143157120

約数和(自身を除く): 241599885668

約数列:

[1, 2, 4, 13, 26, 52, 53, 89, 106, 178, 212, 356, 689, 1157, 1378, 2314, 2756, 4628, 4717, 9434, 18868, 61321, 122642, 245284, 1045903, 2091806, 4183612, 13596739, 27193478, 54386956, 55432859, 93085367, 110865718, 186170734, 221731436, 372341468, 720627167, 1210109771, 1441254334, 2420219542, 2882508668, 4840439084, 4933524451, 9867048902, 19734097804, 64135817863, 128271635726, 256543271452]

約数ペア:

[(1, 256543271452), (2, 128271635726), (4, 64135817863), (13, 19734097804), (26, 9867048902), (52, 4933524451), (53, 4840439084), (89, 2882508668), (106, 2420219542), (178, 1441254334), (212, 1210109771), (356, 720627167), (689, 372341468), (1157, 221731436), (1378, 186170734), (2314, 110865718), (2756, 93085367), (4628, 55432859), (4717, 54386956), (9434, 27193478), (18868, 13596739), (61321, 4183612), (122642, 2091806), (245284, 1045903)]