158279905

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{557}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 227556864

約数和(自身を除く): 69276959

約数列:

[1, 5, 7, 23, 35, 115, 161, 353, 557, 805, 1765, 2471, 2785, 3899, 8119, 12355, 12811, 19495, 40595, 56833, 64055, 89677, 196621, 284165, 448385, 983105, 1376347, 4522283, 6881735, 22611415, 31655981, 158279905]

約数ペア:

[(1, 158279905), (5, 31655981), (7, 22611415), (23, 6881735), (35, 4522283), (115, 1376347), (161, 983105), (353, 448385), (557, 284165), (805, 196621), (1765, 89677), (2471, 64055), (2785, 56833), (3899, 40595), (8119, 19495), (12355, 12811)]