440912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1621}}^1$

素因数の和:1646

約数の個数: 20

約数和(自身を含む): 905076

約数和(自身を除く): 464164

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1621, 3242, 6484, 12968, 25936, 27557, 55114, 110228, 220456, 440912]

約数ペア:

[(1, 440912), (2, 220456), (4, 110228), (8, 55114), (16, 27557), (17, 25936), (34, 12968), (68, 6484), (136, 3242), (272, 1621)]