51205385

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 78599808

約数和(自身を除く): 27394423

約数列:

[1, 5, 7, 11, 35, 55, 77, 107, 113, 121, 385, 535, 565, 605, 749, 791, 847, 1177, 1243, 3745, 3955, 4235, 5885, 6215, 8239, 8701, 12091, 12947, 13673, 41195, 43505, 60455, 64735, 68365, 84637, 90629, 95711, 133001, 423185, 453145, 478555, 665005, 931007, 1463011, 4655035, 7315055, 10241077, 51205385]

約数ペア:

[(1, 51205385), (5, 10241077), (7, 7315055), (11, 4655035), (35, 1463011), (55, 931007), (77, 665005), (107, 478555), (113, 453145), (121, 423185), (385, 133001), (535, 95711), (565, 90629), (605, 84637), (749, 68365), (791, 64735), (847, 60455), (1177, 43505), (1243, 41195), (3745, 13673), (3955, 12947), (4235, 12091), (5885, 8701), (6215, 8239)]