28177078

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{709}}^1$

素因数の和:1383

約数の個数: 16

約数和(自身を含む): 43758720

約数和(自身を除く): 15581642

約数列:

[1, 2, 31, 62, 641, 709, 1282, 1418, 19871, 21979, 39742, 43958, 454469, 908938, 14088539, 28177078]

約数ペア:

[(1, 28177078), (2, 14088539), (31, 908938), (62, 454469), (641, 43958), (709, 39742), (1282, 21979), (1418, 19871)]