219424564

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{4519}}^1$

素因数の和:4783

約数の個数: 24

約数和(自身を含む): 392336000

約数和(自身を除く): 172911436

約数列:

[1, 2, 4, 61, 122, 199, 244, 398, 796, 4519, 9038, 12139, 18076, 24278, 48556, 275659, 551318, 899281, 1102636, 1798562, 3597124, 54856141, 109712282, 219424564]

約数ペア:

[(1, 219424564), (2, 109712282), (4, 54856141), (61, 3597124), (122, 1798562), (199, 1102636), (244, 899281), (398, 551318), (796, 275659), (4519, 48556), (9038, 24278), (12139, 18076)]