2720498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3989}}^1$

素因数の和:4033

約数の個数: 16

約数和(自身を含む): 4596480

約数和(自身を除く): 1875982

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 3989, 7978, 43879, 87758, 123659, 247318, 1360249, 2720498]

約数ペア:

[(1, 2720498), (2, 1360249), (11, 247318), (22, 123659), (31, 87758), (62, 43879), (341, 7978), (682, 3989)]