30906628

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{887}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 56093184

約数和(自身を除く): 25186556

約数列:

[1, 2, 4, 31, 62, 124, 281, 562, 887, 1124, 1774, 3548, 8711, 17422, 27497, 34844, 54994, 109988, 249247, 498494, 996988, 7726657, 15453314, 30906628]

約数ペア:

[(1, 30906628), (2, 15453314), (4, 7726657), (31, 996988), (62, 498494), (124, 249247), (281, 109988), (562, 54994), (887, 34844), (1124, 27497), (1774, 17422), (3548, 8711)]