28936705

素因数分解:

$5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1423}}^1$

素因数の和:1525

約数の個数: 24

約数和(自身を含む): 40908672

約数和(自身を除く): 11971967

約数列:

[1, 5, 7, 35, 49, 83, 245, 415, 581, 1423, 2905, 4067, 7115, 9961, 20335, 49805, 69727, 118109, 348635, 590545, 826763, 4133815, 5787341, 28936705]

約数ペア:

[(1, 28936705), (5, 5787341), (7, 4133815), (35, 826763), (49, 590545), (83, 348635), (245, 118109), (415, 69727), (581, 49805), (1423, 20335), (2905, 9961), (4067, 7115)]