39978854

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{9199}}^1$

素因数の和:9295

約数の個数: 16

約数和(自身を含む): 62596800

約数和(自身を除く): 22617946

約数列:

[1, 2, 41, 53, 82, 106, 2173, 4346, 9199, 18398, 377159, 487547, 754318, 975094, 19989427, 39978854]

約数ペア:

[(1, 39978854), (2, 19989427), (41, 975094), (53, 754318), (82, 487547), (106, 377159), (2173, 18398), (4346, 9199)]