28180178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{34963}}^1$

素因数の和:35009

約数の個数: 16

約数和(自身を含む): 46991616

約数和(自身を除く): 18811438

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 34963, 69926, 454519, 909038, 1083853, 2167706, 14090089, 28180178]

約数ペア:

[(1, 28180178), (2, 14090089), (13, 2167706), (26, 1083853), (31, 909038), (62, 454519), (403, 69926), (806, 34963)]