1551111826

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{389}}^1\times {\mathrm{16477}}^1$

素因数の和:16890

約数の個数: 24

約数和(自身を含む): 2564141580

約数和(自身を除く): 1013029754

約数列:

[1, 2, 11, 22, 121, 242, 389, 778, 4279, 8558, 16477, 32954, 47069, 94138, 181247, 362494, 1993717, 3987434, 6409553, 12819106, 70505083, 141010166, 775555913, 1551111826]

約数ペア:

[(1, 1551111826), (2, 775555913), (11, 141010166), (22, 70505083), (121, 12819106), (242, 6409553), (389, 3987434), (778, 1993717), (4279, 362494), (8558, 181247), (16477, 94138), (32954, 47069)]