207950972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{20887}}^1$

素因数の和:21041

約数の個数: 24

約数和(自身を含む): 386010240

約数和(自身を除く): 178059268

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2489, 4978, 9956, 20887, 41774, 83548, 396853, 793706, 1587412, 2736197, 5472394, 10944788, 51987743, 103975486, 207950972]

約数ペア:

[(1, 207950972), (2, 103975486), (4, 51987743), (19, 10944788), (38, 5472394), (76, 2736197), (131, 1587412), (262, 793706), (524, 396853), (2489, 83548), (4978, 41774), (9956, 20887)]