16521565

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{971}}^1$

素因数の和:1100

約数の個数: 16

約数和(自身を含む): 20575296

約数和(自身を除く): 4053731

約数列:

[1, 5, 41, 83, 205, 415, 971, 3403, 4855, 17015, 39811, 80593, 199055, 402965, 3304313, 16521565]

約数ペア:

[(1, 16521565), (5, 3304313), (41, 402965), (83, 199055), (205, 80593), (415, 39811), (971, 17015), (3403, 4855)]