1278436

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 2358720

約数和(自身を除く): 1080284

約数列:

[1, 2, 4, 29, 58, 103, 107, 116, 206, 214, 412, 428, 2987, 3103, 5974, 6206, 11021, 11948, 12412, 22042, 44084, 319609, 639218, 1278436]

約数ペア:

[(1, 1278436), (2, 639218), (4, 319609), (29, 44084), (58, 22042), (103, 12412), (107, 11948), (116, 11021), (206, 6206), (214, 5974), (412, 3103), (428, 2987)]