171264784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{1129}}^1$

素因数の和:1655

約数の個数: 40

約数和(自身を含む): 350300000

約数和(自身を除く): 179035216

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 499, 998, 1129, 1996, 2258, 3992, 4516, 7984, 9032, 9481, 18064, 18962, 21451, 37924, 42902, 75848, 85804, 151696, 171608, 343216, 563371, 1126742, 2253484, 4506968, 9013936, 10704049, 21408098, 42816196, 85632392, 171264784]

約数ペア:

[(1, 171264784), (2, 85632392), (4, 42816196), (8, 21408098), (16, 10704049), (19, 9013936), (38, 4506968), (76, 2253484), (152, 1126742), (304, 563371), (499, 343216), (998, 171608), (1129, 151696), (1996, 85804), (2258, 75848), (3992, 42902), (4516, 37924), (7984, 21451), (9032, 18962), (9481, 18064)]