30987418

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{647}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 58226688

約数和(自身を除く): 27239270

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 311, 622, 647, 1294, 2177, 3421, 4354, 4529, 6842, 7117, 9058, 14234, 23947, 47894, 49819, 99638, 201217, 402434, 1408519, 2213387, 2817038, 4426774, 15493709, 30987418]

約数ペア:

[(1, 30987418), (2, 15493709), (7, 4426774), (11, 2817038), (14, 2213387), (22, 1408519), (77, 402434), (154, 201217), (311, 99638), (622, 49819), (647, 47894), (1294, 23947), (2177, 14234), (3421, 9058), (4354, 7117), (4529, 6842)]