128216408

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{10163}}^1$

素因数の和:10271

約数の個数: 32

約数和(自身を含む): 256132800

約数和(自身を除く): 127916392

約数列:

[1, 2, 4, 8, 19, 38, 76, 83, 152, 166, 332, 664, 1577, 3154, 6308, 10163, 12616, 20326, 40652, 81304, 193097, 386194, 772388, 843529, 1544776, 1687058, 3374116, 6748232, 16027051, 32054102, 64108204, 128216408]

約数ペア:

[(1, 128216408), (2, 64108204), (4, 32054102), (8, 16027051), (19, 6748232), (38, 3374116), (76, 1687058), (83, 1544776), (152, 843529), (166, 772388), (332, 386194), (664, 193097), (1577, 81304), (3154, 40652), (6308, 20326), (10163, 12616)]