68156921

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 79315200

約数和(自身を除く): 11158279

約数列:

[1, 7, 101, 149, 647, 707, 1043, 4529, 15049, 65347, 96403, 105343, 457429, 674821, 9736703, 68156921]

約数ペア:

[(1, 68156921), (7, 9736703), (101, 674821), (149, 457429), (647, 105343), (707, 96403), (1043, 65347), (4529, 15049)]