3640000028

素因数分解:

$2^2\times 7^1\times {\mathrm{130000001}}^1$

素因数の和:130000012

約数の個数: 12

約数和(自身を含む): 7280000112

約数和(自身を除く): 3640000084

約数列:

[1, 2, 4, 7, 14, 28, 130000001, 260000002, 520000004, 910000007, 1820000014, 3640000028]

約数ペア:

[(1, 3640000028), (2, 1820000014), (4, 910000007), (7, 520000004), (14, 260000002), (28, 130000001)]