9780180388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{222276827}}^1$

素因数の和:222276842

約数の個数: 12

約数和(自身を含む): 18671253552

約数和(自身を除く): 8891073164

約数列:

[1, 2, 4, 11, 22, 44, 222276827, 444553654, 889107308, 2445045097, 4890090194, 9780180388]

約数ペア:

[(1, 9780180388), (2, 4890090194), (4, 2445045097), (11, 889107308), (22, 444553654), (44, 222276827)]