1220284004

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{1055609}}^1$

素因数の和:1055647

約数の個数: 18

約数和(自身を含む): 2268505890

約数和(自身を除く): 1048221886

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 1055609, 2111218, 4222436, 17945353, 35890706, 71781412, 305071001, 610142002, 1220284004]

約数ペア:

[(1, 1220284004), (2, 610142002), (4, 305071001), (17, 71781412), (34, 35890706), (68, 17945353), (289, 4222436), (578, 2111218), (1156, 1055609)]