12911255

素因数分解:

$5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{349}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 18194400

約数和(自身を除く): 5283145

約数列:

[1, 5, 7, 35, 49, 151, 245, 349, 755, 1057, 1745, 2443, 5285, 7399, 12215, 17101, 36995, 52699, 85505, 263495, 368893, 1844465, 2582251, 12911255]

約数ペア:

[(1, 12911255), (5, 2582251), (7, 1844465), (35, 368893), (49, 263495), (151, 85505), (245, 52699), (349, 36995), (755, 17101), (1057, 12215), (1745, 7399), (2443, 5285)]