15987290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1439}}^1$

素因数の和:1558

約数の個数: 32

約数和(自身を含む): 31726080

約数和(自身を除く): 15738790

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 1439, 2222, 2878, 5555, 7195, 11110, 14390, 15829, 31658, 79145, 145339, 158290, 290678, 726695, 1453390, 1598729, 3197458, 7993645, 15987290]

約数ペア:

[(1, 15987290), (2, 7993645), (5, 3197458), (10, 1598729), (11, 1453390), (22, 726695), (55, 290678), (101, 158290), (110, 145339), (202, 79145), (505, 31658), (1010, 15829), (1111, 14390), (1439, 11110), (2222, 7195), (2878, 5555)]