51325175

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 54

約数和(自身を含む): 75401424

約数和(自身を除く): 24076249

約数列:

[1, 5, 11, 19, 25, 47, 55, 95, 121, 209, 235, 275, 361, 475, 517, 605, 893, 1045, 1175, 1805, 2299, 2585, 3025, 3971, 4465, 5225, 5687, 9025, 9823, 11495, 12925, 16967, 19855, 22325, 28435, 43681, 49115, 57475, 84835, 99275, 108053, 142175, 186637, 218405, 245575, 424175, 540265, 933185, 1092025, 2053007, 2701325, 4665925, 10265035, 51325175]

約数ペア:

[(1, 51325175), (5, 10265035), (11, 4665925), (19, 2701325), (25, 2053007), (47, 1092025), (55, 933185), (95, 540265), (121, 424175), (209, 245575), (235, 218405), (275, 186637), (361, 142175), (475, 108053), (517, 99275), (605, 84835), (893, 57475), (1045, 49115), (1175, 43681), (1805, 28435), (2299, 22325), (2585, 19855), (3025, 16967), (3971, 12925), (4465, 11495), (5225, 9823), (5687, 9025)]