890802154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{663787}}^1$

素因数の和:663861

約数の個数: 16

約数和(自身を含む): 1481574816

約数和(自身を除く): 590772662

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 663787, 1327574, 7301657, 14603314, 40491007, 80982014, 445401077, 890802154]

約数ペア:

[(1, 890802154), (2, 445401077), (11, 80982014), (22, 40491007), (61, 14603314), (122, 7301657), (671, 1327574), (1342, 663787)]