221816812

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{16267}}^1$

素因数の和:16765

約数の個数: 24

約数和(自身を含む): 444571904

約数和(自身を除く): 222755092

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 1948, 3409, 6818, 13636, 16267, 32534, 65068, 113869, 227738, 455476, 7922029, 15844058, 31688116, 55454203, 110908406, 221816812]

約数ペア:

[(1, 221816812), (2, 110908406), (4, 55454203), (7, 31688116), (14, 15844058), (28, 7922029), (487, 455476), (974, 227738), (1948, 113869), (3409, 65068), (6818, 32534), (13636, 16267)]