257784792

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{202661}}^1$

素因数の和:202723

約数の個数: 32

約数和(自身を含む): 656624880

約数和(自身を除く): 398840088

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 202661, 405322, 607983, 810644, 1215966, 1621288, 2431932, 4863864, 10741033, 21482066, 32223099, 42964132, 64446198, 85928264, 128892396, 257784792]

約数ペア:

[(1, 257784792), (2, 128892396), (3, 85928264), (4, 64446198), (6, 42964132), (8, 32223099), (12, 21482066), (24, 10741033), (53, 4863864), (106, 2431932), (159, 1621288), (212, 1215966), (318, 810644), (424, 607983), (636, 405322), (1272, 202661)]