987482012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{1999}}^1$

素因数の和:2226

約数の個数: 48

約数和(自身を含む): 1921920000

約数和(自身を除く): 934437988

約数列:

[1, 2, 4, 11, 22, 44, 103, 109, 206, 218, 412, 436, 1133, 1199, 1999, 2266, 2398, 3998, 4532, 4796, 7996, 11227, 21989, 22454, 43978, 44908, 87956, 123497, 205897, 217891, 246994, 411794, 435782, 493988, 823588, 871564, 2264867, 2396801, 4529734, 4793602, 9059468, 9587204, 22442773, 44885546, 89771092, 246870503, 493741006, 987482012]

約数ペア:

[(1, 987482012), (2, 493741006), (4, 246870503), (11, 89771092), (22, 44885546), (44, 22442773), (103, 9587204), (109, 9059468), (206, 4793602), (218, 4529734), (412, 2396801), (436, 2264867), (1133, 871564), (1199, 823588), (1999, 493988), (2266, 435782), (2398, 411794), (3998, 246994), (4532, 217891), (4796, 205897), (7996, 123497), (11227, 87956), (21989, 44908), (22454, 43978)]