128962008

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{255877}}^1$

素因数の和:255896

約数の個数: 48

約数和(自身を含む): 399169680

約数和(自身を除く): 270207672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 255877, 511754, 767631, 1023508, 1535262, 1791139, 2047016, 2302893, 3070524, 3582278, 4605786, 5373417, 6141048, 7164556, 9211572, 10746834, 14329112, 16120251, 18423144, 21493668, 32240502, 42987336, 64481004, 128962008]

約数ペア:

[(1, 128962008), (2, 64481004), (3, 42987336), (4, 32240502), (6, 21493668), (7, 18423144), (8, 16120251), (9, 14329112), (12, 10746834), (14, 9211572), (18, 7164556), (21, 6141048), (24, 5373417), (28, 4605786), (36, 3582278), (42, 3070524), (56, 2302893), (63, 2047016), (72, 1791139), (84, 1535262), (126, 1023508), (168, 767631), (252, 511754), (504, 255877)]