720472285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1451}}^1\times {\mathrm{7639}}^1$

素因数の和:9108

約数の個数: 16

約数和(自身を含む): 931835520

約数和(自身を除く): 211363235

約数列:

[1, 5, 13, 65, 1451, 7255, 7639, 18863, 38195, 94315, 99307, 496535, 11084189, 55420945, 144094457, 720472285]

約数ペア:

[(1, 720472285), (5, 144094457), (13, 55420945), (65, 11084189), (1451, 496535), (7255, 99307), (7639, 94315), (18863, 38195)]