641531314

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1511}}^1\times {\mathrm{11173}}^1$

素因数の和:12705

約数の個数: 16

約数和(自身を含む): 1013705280

約数和(自身を除く): 372173966

約数列:

[1, 2, 19, 38, 1511, 3022, 11173, 22346, 28709, 57418, 212287, 424574, 16882403, 33764806, 320765657, 641531314]

約数ペア:

[(1, 641531314), (2, 320765657), (19, 33764806), (38, 16882403), (1511, 424574), (3022, 212287), (11173, 57418), (22346, 28709)]