1880451181

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{2389}}^1\times {\mathrm{4889}}^1$

素因数の和:7308

約数の個数: 16

約数和(自身を含む): 2243923200

約数和(自身を除く): 363472019

約数列:

[1, 7, 23, 161, 2389, 4889, 16723, 34223, 54947, 112447, 384629, 787129, 11679821, 81758747, 268635883, 1880451181]

約数ペア:

[(1, 1880451181), (7, 268635883), (23, 81758747), (161, 11679821), (2389, 787129), (4889, 384629), (16723, 112447), (34223, 54947)]