256735545

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67651}}^1$

素因数の和:67693

約数の個数: 32

約数和(自身を含む): 467610624

約数和(自身を除く): 210875079

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 67651, 202953, 338255, 744161, 1014765, 1555973, 2232483, 3720805, 4667919, 7779865, 11162415, 17115703, 23339595, 51347109, 85578515, 256735545]

約数ペア:

[(1, 256735545), (3, 85578515), (5, 51347109), (11, 23339595), (15, 17115703), (23, 11162415), (33, 7779865), (55, 4667919), (69, 3720805), (115, 2232483), (165, 1555973), (253, 1014765), (345, 744161), (759, 338255), (1265, 202953), (3795, 67651)]