28404761

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{349}}^1$

素因数の和:525

約数の個数: 24

約数和(自身を含む): 36388800

約数和(自身を除く): 7984039

約数列:

[1, 7, 11, 49, 77, 151, 349, 539, 1057, 1661, 2443, 3839, 7399, 11627, 17101, 26873, 52699, 81389, 188111, 368893, 579689, 2582251, 4057823, 28404761]

約数ペア:

[(1, 28404761), (7, 4057823), (11, 2582251), (49, 579689), (77, 368893), (151, 188111), (349, 81389), (539, 52699), (1057, 26873), (1661, 17101), (2443, 11627), (3839, 7399)]