221279248

素因数分解:

$2^4\times {\mathrm{971}}^1\times {\mathrm{14243}}^1$

素因数の和:15222

約数の個数: 20

約数和(自身を含む): 429200208

約数和(自身を除く): 207920960

約数列:

[1, 2, 4, 8, 16, 971, 1942, 3884, 7768, 14243, 15536, 28486, 56972, 113944, 227888, 13829953, 27659906, 55319812, 110639624, 221279248]

約数ペア:

[(1, 221279248), (2, 110639624), (4, 55319812), (8, 27659906), (16, 13829953), (971, 227888), (1942, 113944), (3884, 56972), (7768, 28486), (14243, 15536)]