28090778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{7177}}^1$

素因数の和:7301

約数の個数: 16

約数和(自身を含む): 44790720

約数和(自身を除く): 16699942

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 7177, 14354, 136363, 272726, 739231, 1478462, 14045389, 28090778]

約数ペア:

[(1, 28090778), (2, 14045389), (19, 1478462), (38, 739231), (103, 272726), (206, 136363), (1957, 14354), (3914, 7177)]