28912345

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6827}}^1$

素因数の和:6861

約数の個数: 24

約数和(自身を含む): 43589952

約数和(自身を除く): 14677607

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 6827, 34135, 47789, 75097, 238945, 375485, 525679, 826067, 2628395, 4130335, 5782469, 28912345]

約数ペア:

[(1, 28912345), (5, 5782469), (7, 4130335), (11, 2628395), (35, 826067), (55, 525679), (77, 375485), (121, 238945), (385, 75097), (605, 47789), (847, 34135), (4235, 6827)]