209216411

素因数分解:

${\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 227435520

約数和(自身を除く): 18219109

約数列:

[1, 29, 47, 67, 79, 841, 1363, 1943, 2291, 3149, 3713, 5293, 39527, 56347, 66439, 91321, 107677, 153497, 248771, 2648309, 3122633, 4451413, 7214359, 209216411]

約数ペア:

[(1, 209216411), (29, 7214359), (47, 4451413), (67, 3122633), (79, 2648309), (841, 248771), (1363, 153497), (1943, 107677), (2291, 91321), (3149, 66439), (3713, 56347), (5293, 39527)]