988821284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{809}}^1\times {\mathrm{27779}}^1$

素因数の和:28603

約数の個数: 24

約数和(自身を含む): 1890151200

約数和(自身を除く): 901329916

約数列:

[1, 2, 4, 11, 22, 44, 809, 1618, 3236, 8899, 17798, 27779, 35596, 55558, 111116, 305569, 611138, 1222276, 22473211, 44946422, 89892844, 247205321, 494410642, 988821284]

約数ペア:

[(1, 988821284), (2, 494410642), (4, 247205321), (11, 89892844), (22, 44946422), (44, 22473211), (809, 1222276), (1618, 611138), (3236, 305569), (8899, 111116), (17798, 55558), (27779, 35596)]