491309572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{219727}}^1$

素因数の和:219787

約数の個数: 24

約数和(自身を含む): 947467136

約数和(自身を除く): 456157564

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 219727, 439454, 878908, 2856451, 5712902, 9448261, 11425804, 18896522, 37793044, 122827393, 245654786, 491309572]

約数ペア:

[(1, 491309572), (2, 245654786), (4, 122827393), (13, 37793044), (26, 18896522), (43, 11425804), (52, 9448261), (86, 5712902), (172, 2856451), (559, 878908), (1118, 439454), (2236, 219727)]