2780457967

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1\times {\mathrm{2053}}^1$

素因数の和:2695

約数の個数: 32

約数和(自身を含む): 3549312000

約数和(自身を除く): 768854033

約数列:

[1, 7, 17, 19, 119, 133, 323, 599, 2053, 2261, 4193, 10183, 11381, 14371, 34901, 39007, 71281, 79667, 193477, 244307, 273049, 663119, 1229747, 1354339, 4641833, 8608229, 20905699, 23365193, 146339893, 163556351, 397208281, 2780457967]

約数ペア:

[(1, 2780457967), (7, 397208281), (17, 163556351), (19, 146339893), (119, 23365193), (133, 20905699), (323, 8608229), (599, 4641833), (2053, 1354339), (2261, 1229747), (4193, 663119), (10183, 273049), (11381, 244307), (14371, 193477), (34901, 79667), (39007, 71281)]