28975024

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139303}}^1$

素因数の和:139324

約数の個数: 20

約数和(自身を含む): 60457936

約数和(自身を除く): 31482912

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 139303, 278606, 557212, 1114424, 1810939, 2228848, 3621878, 7243756, 14487512, 28975024]

約数ペア:

[(1, 28975024), (2, 14487512), (4, 7243756), (8, 3621878), (13, 2228848), (16, 1810939), (26, 1114424), (52, 557212), (104, 278606), (208, 139303)]