199945538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1531}}^1\times {\mathrm{5023}}^1$

素因数の和:6569

約数の個数: 16

約数和(自身を含む): 323264256

約数和(自身を除く): 123318718

約数列:

[1, 2, 13, 26, 1531, 3062, 5023, 10046, 19903, 39806, 65299, 130598, 7690213, 15380426, 99972769, 199945538]

約数ペア:

[(1, 199945538), (2, 99972769), (13, 15380426), (26, 7690213), (1531, 130598), (3062, 65299), (5023, 39806), (10046, 19903)]