27880972

素因数分解:

$2^2\times 7^1\times {\mathrm{659}}^1\times {\mathrm{1511}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 55883520

約数和(自身を除く): 28002548

約数列:

[1, 2, 4, 7, 14, 28, 659, 1318, 1511, 2636, 3022, 4613, 6044, 9226, 10577, 18452, 21154, 42308, 995749, 1991498, 3982996, 6970243, 13940486, 27880972]

約数ペア:

[(1, 27880972), (2, 13940486), (4, 6970243), (7, 3982996), (14, 1991498), (28, 995749), (659, 42308), (1318, 21154), (1511, 18452), (2636, 10577), (3022, 9226), (4613, 6044)]