128412165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{337}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 249200640

約数和(自身を除く): 120788475

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 191, 285, 337, 399, 573, 665, 955, 1011, 1337, 1685, 1995, 2359, 2865, 3629, 4011, 5055, 6403, 6685, 7077, 10887, 11795, 18145, 19209, 20055, 25403, 32015, 35385, 44821, 54435, 64367, 76209, 96045, 127015, 134463, 193101, 224105, 321835, 381045, 450569, 672315, 965505, 1222973, 1351707, 2252845, 3668919, 6114865, 6758535, 8560811, 18344595, 25682433, 42804055, 128412165]

約数ペア:

[(1, 128412165), (3, 42804055), (5, 25682433), (7, 18344595), (15, 8560811), (19, 6758535), (21, 6114865), (35, 3668919), (57, 2252845), (95, 1351707), (105, 1222973), (133, 965505), (191, 672315), (285, 450569), (337, 381045), (399, 321835), (573, 224105), (665, 193101), (955, 134463), (1011, 127015), (1337, 96045), (1685, 76209), (1995, 64367), (2359, 54435), (2865, 44821), (3629, 35385), (4011, 32015), (5055, 25403), (6403, 20055), (6685, 19209), (7077, 18145), (10887, 11795)]