201220778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{719}}^1\times {\mathrm{12721}}^1$

素因数の和:13453

約数の個数: 16

約数和(自身を含む): 329754240

約数和(自身を除く): 128533462

約数列:

[1, 2, 11, 22, 719, 1438, 7909, 12721, 15818, 25442, 139931, 279862, 9146399, 18292798, 100610389, 201220778]

約数ペア:

[(1, 201220778), (2, 100610389), (11, 18292798), (22, 9146399), (719, 279862), (1438, 139931), (7909, 25442), (12721, 15818)]