28764710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1279}}^1$

素因数の和:1472

約数の個数: 32

約数和(自身を含む): 56125440

約数和(自身を除く): 27360730

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 865, 1279, 1730, 2249, 2558, 4498, 6395, 11245, 12790, 16627, 22490, 33254, 83135, 166270, 221267, 442534, 1106335, 2212670, 2876471, 5752942, 14382355, 28764710]

約数ペア:

[(1, 28764710), (2, 14382355), (5, 5752942), (10, 2876471), (13, 2212670), (26, 1106335), (65, 442534), (130, 221267), (173, 166270), (346, 83135), (865, 33254), (1279, 22490), (1730, 16627), (2249, 12790), (2558, 11245), (4498, 6395)]