28399228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 58988160

約数和(自身を除く): 30588932

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 131, 143, 262, 286, 379, 524, 572, 758, 1441, 1516, 1703, 2882, 3406, 4169, 4927, 5764, 6812, 8338, 9854, 16676, 18733, 19708, 37466, 49649, 54197, 74932, 99298, 108394, 198596, 216788, 546139, 645437, 1092278, 1290874, 2184556, 2581748, 7099807, 14199614, 28399228]

約数ペア:

[(1, 28399228), (2, 14199614), (4, 7099807), (11, 2581748), (13, 2184556), (22, 1290874), (26, 1092278), (44, 645437), (52, 546139), (131, 216788), (143, 198596), (262, 108394), (286, 99298), (379, 74932), (524, 54197), (572, 49649), (758, 37466), (1441, 19708), (1516, 18733), (1703, 16676), (2882, 9854), (3406, 8338), (4169, 6812), (4927, 5764)]