220190984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{23789}}^1$

素因数の和:23897

約数の個数: 32

約数和(自身を含む): 449631000

約数和(自身を除く): 229440016

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 2314, 4628, 9256, 23789, 47578, 95156, 190312, 309257, 618514, 1237028, 2117221, 2474056, 4234442, 8468884, 16937768, 27523873, 55047746, 110095492, 220190984]

約数ペア:

[(1, 220190984), (2, 110095492), (4, 55047746), (8, 27523873), (13, 16937768), (26, 8468884), (52, 4234442), (89, 2474056), (104, 2117221), (178, 1237028), (356, 618514), (712, 309257), (1157, 190312), (2314, 95156), (4628, 47578), (9256, 23789)]