28711925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{797}}^1$

素因数の和:949

約数の個数: 24

約数和(自身を含む): 39184992

約数和(自身を除く): 10473067

約数列:

[1, 5, 11, 25, 55, 131, 275, 655, 797, 1441, 3275, 3985, 7205, 8767, 19925, 36025, 43835, 104407, 219175, 522035, 1148477, 2610175, 5742385, 28711925]

約数ペア:

[(1, 28711925), (5, 5742385), (11, 2610175), (25, 1148477), (55, 522035), (131, 219175), (275, 104407), (655, 43835), (797, 36025), (1441, 19925), (3275, 8767), (3985, 7205)]