2780451278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{12517}}^1$

素因数の和:12992

約数の個数: 32

約数和(自身を含む): 4758842880

約数和(自身を除く): 1978391602

約数列:

[1, 2, 11, 22, 23, 46, 253, 439, 506, 878, 4829, 9658, 10097, 12517, 20194, 25034, 111067, 137687, 222134, 275374, 287891, 575782, 3166801, 5494963, 6333602, 10989926, 60444593, 120889186, 126384149, 252768298, 1390225639, 2780451278]

約数ペア:

[(1, 2780451278), (2, 1390225639), (11, 252768298), (22, 126384149), (23, 120889186), (46, 60444593), (253, 10989926), (439, 6333602), (506, 5494963), (878, 3166801), (4829, 575782), (9658, 287891), (10097, 275374), (12517, 222134), (20194, 137687), (25034, 111067)]