128549642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 213146640

約数和(自身を除く): 84596998

約数列:

[1, 2, 13, 26, 73, 89, 146, 178, 761, 949, 1157, 1522, 1898, 2314, 6497, 9893, 12994, 19786, 55553, 67729, 84461, 111106, 135458, 168922, 722189, 880477, 1444378, 1760954, 4944217, 9888434, 64274821, 128549642]

約数ペア:

[(1, 128549642), (2, 64274821), (13, 9888434), (26, 4944217), (73, 1760954), (89, 1444378), (146, 880477), (178, 722189), (761, 168922), (949, 135458), (1157, 111106), (1522, 84461), (1898, 67729), (2314, 55553), (6497, 19786), (9893, 12994)]