28779005

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{2237}}^1$

素因数の和:2356

約数の個数: 16

約数和(自身を含む): 36094464

約数和(自身を除く): 7315459

約数列:

[1, 5, 31, 83, 155, 415, 2237, 2573, 11185, 12865, 69347, 185671, 346735, 928355, 5755801, 28779005]

約数ペア:

[(1, 28779005), (5, 5755801), (31, 928355), (83, 346735), (155, 185671), (415, 69347), (2237, 12865), (2573, 11185)]