127729552

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{420163}}^1$

素因数の和:420190

約数の個数: 20

約数和(自身を含む): 260501680

約数和(自身を除く): 132772128

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 420163, 840326, 1680652, 3361304, 6722608, 7983097, 15966194, 31932388, 63864776, 127729552]

約数ペア:

[(1, 127729552), (2, 63864776), (4, 31932388), (8, 15966194), (16, 7983097), (19, 6722608), (38, 3361304), (76, 1680652), (152, 840326), (304, 420163)]