90245168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1601}}^1$

素因数の和:1893

約数の個数: 40

約数和(自身を含む): 189112896

約数和(自身を除く): 98867728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 271, 542, 1084, 1601, 2168, 3202, 3523, 4336, 6404, 7046, 12808, 14092, 20813, 25616, 28184, 41626, 56368, 83252, 166504, 333008, 433871, 867742, 1735484, 3470968, 5640323, 6941936, 11280646, 22561292, 45122584, 90245168]

約数ペア:

[(1, 90245168), (2, 45122584), (4, 22561292), (8, 11280646), (13, 6941936), (16, 5640323), (26, 3470968), (52, 1735484), (104, 867742), (208, 433871), (271, 333008), (542, 166504), (1084, 83252), (1601, 56368), (2168, 41626), (3202, 28184), (3523, 25616), (4336, 20813), (6404, 14092), (7046, 12808)]