247485028

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{285121}}^1$

素因数の和:285163

約数の個数: 24

約数和(自身を含む): 510938624

約数和(自身を除く): 263453596

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 285121, 570242, 1140484, 1995847, 3991694, 7983388, 8838751, 17677502, 35355004, 61871257, 123742514, 247485028]

約数ペア:

[(1, 247485028), (2, 123742514), (4, 61871257), (7, 35355004), (14, 17677502), (28, 8838751), (31, 7983388), (62, 3991694), (124, 1995847), (217, 1140484), (434, 570242), (868, 285121)]