138710864

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{279659}}^1$

素因数の和:279698

約数の個数: 20

約数和(自身を含む): 277422720

約数和(自身を除く): 138711856

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 279659, 559318, 1118636, 2237272, 4474544, 8669429, 17338858, 34677716, 69355432, 138710864]

約数ペア:

[(1, 138710864), (2, 69355432), (4, 34677716), (8, 17338858), (16, 8669429), (31, 4474544), (62, 2237272), (124, 1118636), (248, 559318), (496, 279659)]