1390220656

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{7898981}}^1$

素因数の和:7899000

約数の個数: 20

約数和(自身を含む): 2938421304

約数和(自身を除く): 1548200648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 7898981, 15797962, 31595924, 63191848, 86888791, 126383696, 173777582, 347555164, 695110328, 1390220656]

約数ペア:

[(1, 1390220656), (2, 695110328), (4, 347555164), (8, 173777582), (11, 126383696), (16, 86888791), (22, 63191848), (44, 31595924), (88, 15797962), (176, 7898981)]