1377826

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:417

約数の個数: 16

約数和(自身を含む): 2170368

約数和(自身を除く): 792542

約数列:

[1, 2, 31, 62, 71, 142, 313, 626, 2201, 4402, 9703, 19406, 22223, 44446, 688913, 1377826]

約数ペア:

[(1, 1377826), (2, 688913), (31, 44446), (62, 22223), (71, 19406), (142, 9703), (313, 4402), (626, 2201)]