221781336

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1320127}}^1$

素因数の和:1320143

約数の個数: 32

約数和(自身を含む): 633661440

約数和(自身を除く): 411880104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1320127, 2640254, 3960381, 5280508, 7920762, 9240889, 10561016, 15841524, 18481778, 27722667, 31683048, 36963556, 55445334, 73927112, 110890668, 221781336]

約数ペア:

[(1, 221781336), (2, 110890668), (3, 73927112), (4, 55445334), (6, 36963556), (7, 31683048), (8, 27722667), (12, 18481778), (14, 15841524), (21, 10561016), (24, 9240889), (28, 7920762), (42, 5280508), (56, 3960381), (84, 2640254), (168, 1320127)]