220890908

素因数分解:

$2^2\times 7^1\times {\mathrm{1399}}^1\times {\mathrm{5639}}^1$

素因数の和:7049

約数の個数: 24

約数和(自身を含む): 442176000

約数和(自身を除く): 221285092

約数列:

[1, 2, 4, 7, 14, 28, 1399, 2798, 5596, 5639, 9793, 11278, 19586, 22556, 39172, 39473, 78946, 157892, 7888961, 15777922, 31555844, 55222727, 110445454, 220890908]

約数ペア:

[(1, 220890908), (2, 110445454), (4, 55222727), (7, 31555844), (14, 15777922), (28, 7888961), (1399, 157892), (2798, 78946), (5596, 39473), (5639, 39172), (9793, 22556), (11278, 19586)]