142977565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 192568320

約数和(自身を除く): 49590755

約数列:

[1, 5, 17, 19, 85, 95, 223, 323, 397, 1115, 1615, 1985, 3791, 4237, 6749, 7543, 18955, 21185, 33745, 37715, 72029, 88531, 128231, 360145, 442655, 641155, 1505027, 1682089, 7525135, 8410445, 28595513, 142977565]

約数ペア:

[(1, 142977565), (5, 28595513), (17, 8410445), (19, 7525135), (85, 1682089), (95, 1505027), (223, 641155), (323, 442655), (397, 360145), (1115, 128231), (1615, 88531), (1985, 72029), (3791, 37715), (4237, 33745), (6749, 21185), (7543, 18955)]