28464865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{971}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 41150592

約数和(自身を除く): 12685727

約数列:

[1, 5, 11, 13, 41, 55, 65, 143, 205, 451, 533, 715, 971, 2255, 2665, 4855, 5863, 10681, 12623, 29315, 39811, 53405, 63115, 138853, 199055, 437921, 517543, 694265, 2189605, 2587715, 5692973, 28464865]

約数ペア:

[(1, 28464865), (5, 5692973), (11, 2587715), (13, 2189605), (41, 694265), (55, 517543), (65, 437921), (143, 199055), (205, 138853), (451, 63115), (533, 53405), (715, 39811), (971, 29315), (2255, 12623), (2665, 10681), (4855, 5863)]