981640484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{204679}}^1$

素因数の和:204803

約数の個数: 24

約数和(自身を含む): 1891243200

約数和(自身を除く): 909602716

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4796, 204679, 409358, 818716, 2251469, 4502938, 9005876, 22310011, 44620022, 89240044, 245410121, 490820242, 981640484]

約数ペア:

[(1, 981640484), (2, 490820242), (4, 245410121), (11, 89240044), (22, 44620022), (44, 22310011), (109, 9005876), (218, 4502938), (436, 2251469), (1199, 818716), (2398, 409358), (4796, 204679)]