28747690

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 53141184

約数和(自身を除く): 24393494

約数列:

[1, 2, 5, 10, 67, 107, 134, 214, 335, 401, 535, 670, 802, 1070, 2005, 4010, 7169, 14338, 26867, 35845, 42907, 53734, 71690, 85814, 134335, 214535, 268670, 429070, 2874769, 5749538, 14373845, 28747690]

約数ペア:

[(1, 28747690), (2, 14373845), (5, 5749538), (10, 2874769), (67, 429070), (107, 268670), (134, 214535), (214, 134335), (335, 85814), (401, 71690), (535, 53734), (670, 42907), (802, 35845), (1070, 26867), (2005, 14338), (4010, 7169)]