245128424

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{3943}}^1$

素因数の和:4377

約数の個数: 32

約数和(自身を含む): 485112000

約数和(自身を除く): 239983576

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 409, 818, 1636, 3272, 3943, 7771, 7886, 15542, 15772, 31084, 31544, 62168, 74917, 149834, 299668, 599336, 1612687, 3225374, 6450748, 12901496, 30641053, 61282106, 122564212, 245128424]

約数ペア:

[(1, 245128424), (2, 122564212), (4, 61282106), (8, 30641053), (19, 12901496), (38, 6450748), (76, 3225374), (152, 1612687), (409, 599336), (818, 299668), (1636, 149834), (3272, 74917), (3943, 62168), (7771, 31544), (7886, 31084), (15542, 15772)]