256571877

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 385064960

約数和(自身を除く): 128493083

約数列:

[1, 3, 19, 23, 57, 67, 69, 127, 201, 381, 437, 529, 1273, 1311, 1541, 1587, 2413, 2921, 3819, 4623, 7239, 8509, 8763, 10051, 25527, 29279, 30153, 35443, 55499, 67183, 87837, 106329, 161671, 166497, 195707, 201549, 485013, 587121, 673417, 1276477, 2020251, 3718433, 3829431, 4501261, 11155299, 13503783, 85523959, 256571877]

約数ペア:

[(1, 256571877), (3, 85523959), (19, 13503783), (23, 11155299), (57, 4501261), (67, 3829431), (69, 3718433), (127, 2020251), (201, 1276477), (381, 673417), (437, 587121), (529, 485013), (1273, 201549), (1311, 195707), (1541, 166497), (1587, 161671), (2413, 106329), (2921, 87837), (3819, 67183), (4623, 55499), (7239, 35443), (8509, 30153), (8763, 29279), (10051, 25527)]