28020104

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3187}}^1$

素因数の和:3357

約数の個数: 32

約数和(自身を含む): 60444480

約数和(自身を除く): 32424376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 3187, 4396, 6374, 8792, 12748, 22309, 25496, 44618, 89236, 178472, 500359, 1000718, 2001436, 3502513, 4002872, 7005026, 14010052, 28020104]

約数ペア:

[(1, 28020104), (2, 14010052), (4, 7005026), (7, 4002872), (8, 3502513), (14, 2001436), (28, 1000718), (56, 500359), (157, 178472), (314, 89236), (628, 44618), (1099, 25496), (1256, 22309), (2198, 12748), (3187, 8792), (4396, 6374)]