28904953

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 37785600

約数和(自身を除く): 8880647

約数列:

[1, 7, 11, 47, 49, 77, 163, 329, 343, 517, 539, 1141, 1793, 2303, 3619, 3773, 7661, 7987, 12551, 16121, 25333, 53627, 55909, 84271, 87857, 177331, 375389, 589897, 614999, 2627723, 4129279, 28904953]

約数ペア:

[(1, 28904953), (7, 4129279), (11, 2627723), (47, 614999), (49, 589897), (77, 375389), (163, 177331), (329, 87857), (343, 84271), (517, 55909), (539, 53627), (1141, 25333), (1793, 16121), (2303, 12551), (3619, 7987), (3773, 7661)]