209374009

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 242694144

約数和(自身を除く): 33320135

約数列:

[1, 13, 37, 43, 53, 191, 481, 559, 689, 1591, 1961, 2279, 2483, 7067, 8213, 10123, 20683, 25493, 29627, 84323, 91871, 106769, 131599, 303881, 374551, 435289, 1096199, 3950453, 4869163, 5658757, 16105693, 209374009]

約数ペア:

[(1, 209374009), (13, 16105693), (37, 5658757), (43, 4869163), (53, 3950453), (191, 1096199), (481, 435289), (559, 374551), (689, 303881), (1591, 131599), (1961, 106769), (2279, 91871), (2483, 84323), (7067, 29627), (8213, 25493), (10123, 20683)]