1276977745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 1633697280

約数和(自身を除く): 356719535

約数列:

[1, 5, 19, 95, 193, 257, 271, 965, 1285, 1355, 3667, 4883, 5149, 18335, 24415, 25745, 49601, 52303, 69647, 248005, 261515, 348235, 942419, 993757, 1323293, 4712095, 4968785, 6616465, 13441871, 67209355, 255395549, 1276977745]

約数ペア:

[(1, 1276977745), (5, 255395549), (19, 67209355), (95, 13441871), (193, 6616465), (257, 4968785), (271, 4712095), (965, 1323293), (1285, 993757), (1355, 942419), (3667, 348235), (4883, 261515), (5149, 248005), (18335, 69647), (24415, 52303), (25745, 49601)]