28920265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2753}}^1$

素因数の和:2960

約数の個数: 16

約数和(自身を含む): 38071296

約数和(自身を除く): 9151031

約数列:

[1, 5, 11, 55, 191, 955, 2101, 2753, 10505, 13765, 30283, 151415, 525823, 2629115, 5784053, 28920265]

約数ペア:

[(1, 28920265), (5, 5784053), (11, 2629115), (55, 525823), (191, 151415), (955, 30283), (2101, 13765), (2753, 10505)]